Recorded price history USD Listing start period All years 5 years 1 year
Recorded US-dollar price history Logarithmic price scale (price + 1). Horizontal axis: listing start date. Vertical axis: recorded price in US dollars. Filled dots have recorded sales; open dots have no recorded sales. The oxide step line shows calendar-month medians, with gaps for missing months. 0 1 10 100 Jan 2018 Feb 2020 Apr 2022 Jun 2024 Aug 2026 2018-01-22: US$262.88; no sale recorded 2019-11-15: US$253.44; no sale recorded 2019-12-25: US$324.00; no sale recorded 2020-01-07: US$320.00; no sale recorded 2020-01-16: US$477.90; no sale recorded 2020-06-03: US$420.42; no sale recorded 2020-07-09: US$233.96; no sale recorded 2020-09-25: US$355.00; no sale recorded 2020-09-25: US$354.80; no sale recorded 2020-09-25: US$354.70; no sale recorded 2020-09-25: US$354.90; no sale recorded 2021-01-12: US$354.80; no sale recorded 2021-01-12: US$354.90; no sale recorded 2021-01-12: US$354.70; no sale recorded 2021-01-12: US$354.60; no sale recorded 2021-01-13: US$213.24; no sale recorded 2021-03-18: US$354.79; no sale recorded 2021-03-20: US$354.78; no sale recorded 2021-04-02: US$274.00; no sale recorded 2021-06-04: US$354.80; no sale recorded 2021-06-04: US$354.79; no sale recorded 2021-06-04: US$354.70; no sale recorded 2022-01-10: US$423.70; no sale recorded 2022-01-20: US$428.24; no sale recorded 2022-01-20: US$428.21; no sale recorded 2022-02-08: US$379.50; sold recorded 2022-02-23: US$200.00; no sale recorded 2022-02-26: US$781.20; no sale recorded 2022-03-08: US$448.95; no sale recorded 2022-03-08: US$448.57; no sale recorded 2022-03-08: US$448.79; no sale recorded 2022-03-08: US$448.70; no sale recorded 2022-03-08: US$448.80; no sale recorded 2022-03-08: US$448.82; no sale recorded 2022-03-08: US$448.82; no sale recorded 2022-03-08: US$448.81; no sale recorded 2022-03-22: US$157.06; no sale recorded 2022-04-13: US$441.00; no sale recorded 2022-04-13: US$418.95; no sale recorded 2022-04-15: US$415.88; no sale recorded 2022-04-29: US$508.25; no sale recorded 2022-05-03: US$269.89; no sale recorded 2022-05-18: US$428.23; no sale recorded 2022-05-20: US$471.08; no sale recorded 2022-06-07: US$448.80; no sale recorded 2022-06-07: US$448.79; no sale recorded 2022-06-07: US$448.82; no sale recorded 2022-06-07: US$448.57; no sale recorded 2022-06-09: US$448.82; no sale recorded 2022-07-04: US$453.00; no sale recorded 2022-07-14: US$448.75; no sale recorded 2022-08-18: US$471.08; no sale recorded 2022-09-06: US$448.70; no sale recorded 2022-09-06: US$448.81; no sale recorded 2022-09-06: US$448.79; no sale recorded 2022-09-15: US$428.21; no sale recorded 2022-09-16: US$174.95; no sale recorded 2022-11-16: US$471.08; no sale recorded 2022-12-05: US$448.70; no sale recorded 2022-12-05: US$448.95; no sale recorded 2022-12-05: US$448.82; no sale recorded 2022-12-05: US$448.57; no sale recorded 2022-12-05: US$448.80; no sale recorded 2022-12-05: US$448.79; no sale recorded 2022-12-05: US$448.82; no sale recorded 2022-12-05: US$448.81; no sale recorded 2022-12-06: US$206.01; no sale recorded 2023-02-03: US$448.80; no sale recorded 2023-02-03: US$448.82; no sale recorded 2023-02-03: US$448.82; no sale recorded 2023-02-03: US$448.79; no sale recorded 2023-02-10: US$428.24; no sale recorded 2023-02-10: US$428.23; no sale recorded 2023-04-03: US$448.70; no sale recorded 2023-04-04: US$453.00; no sale recorded 2023-04-08: US$428.23; no sale recorded 2023-04-08: US$428.21; no sale recorded 2023-04-08: US$428.24; no sale recorded 2023-04-08: US$471.08; no sale recorded 2023-05-12: US$205.80; no sale recorded 2023-05-20: US$440.00; no sale recorded 2023-05-30: US$448.95; no sale recorded 2023-05-30: US$448.57; no sale recorded 2023-05-30: US$448.79; no sale recorded 2023-06-22: US$160.00; sold recorded 2023-07-05: US$428.21; no sale recorded 2023-07-18: US$415.15; no sale recorded 2023-08-09: US$157.08; no sale recorded 2023-08-22: US$448.82; no sale recorded 2023-08-22: US$448.95; no sale recorded 2023-08-22: US$448.79; no sale recorded 2023-10-02: US$198.00; no sale recorded 2023-10-25: US$308.69; no sale recorded 2023-12-28: US$443.00; no sale recorded 2024-01-02: US$428.23; no sale recorded 2024-01-11: US$424.84; no sale recorded 2024-01-27: US$385.65; no sale recorded 2024-02-18: US$1.00; no sale recorded 2024-02-24: US$424.65; no sale recorded 2024-04-23: US$155.20; no sale recorded 2024-04-23: US$212.04; no sale recorded 2024-05-23: US$150.00; no sale recorded 2024-05-24: US$159.00; no sale recorded 2024-06-11: US$178.00; no sale recorded 2024-06-21: US$375.35; no sale recorded 2024-06-24: US$373.00; no sale recorded 2024-06-24: US$374.00; no sale recorded 2024-06-24: US$375.00; no sale recorded 2024-06-26: US$205.80; no sale recorded 2024-07-01: US$404.80; no sale recorded 2024-07-26: US$205.80; no sale recorded 2024-08-23: US$156.50; no sale recorded 2024-08-29: US$370.00; no sale recorded 2024-08-29: US$371.00; no sale recorded 2024-08-31: US$251.69; no sale recorded 2024-09-10: US$391.50; sold recorded 2024-09-22: US$310.82; sold recorded 2024-09-23: US$374.00; sold recorded 2024-09-23: US$373.00; no sale recorded 2024-09-23: US$375.00; sold recorded 2024-09-25: US$205.80; no sale recorded 2024-10-10: US$141.95; no sale recorded 2024-10-10: US$195.33; sold recorded 2024-10-11: US$447.20; sold recorded 2024-10-11: US$455.60; no sale recorded 2024-10-25: US$205.80; no sale recorded 2024-10-27: US$470.40; sold recorded 2024-11-22: US$392.01; sold recorded 2024-11-22: US$390.01; sold recorded 2024-11-29: US$371.01; no sale recorded 2024-11-29: US$370.01; sold recorded 2024-12-11: US$450.81; no sale recorded 2024-12-25: US$189.44; no sale recorded 2024-12-25: US$205.80; no sale recorded 2025-01-08: US$139.83; sold recorded 2025-01-08: US$139.84; sold recorded 2025-02-17: US$270.98; no sale recorded 2025-02-21: US$269.80; no sale recorded 2025-02-22: US$139.88; no sale recorded 2025-02-24: US$400.12; no sale recorded 2025-02-28: US$139.89; no sale recorded 2025-03-09: US$269.01; no sale recorded 2025-03-12: US$187.43; no sale recorded 2025-03-21: US$139.82; no sale recorded 2025-03-21: US$138.00; no sale recorded 2025-03-22: US$215.00; no sale recorded 2025-03-22: US$157.41; no sale recorded 2025-03-25: US$141.71; no sale recorded 2025-03-28: US$267.93; no sale recorded 2025-04-03: US$139.95; no sale recorded 2025-04-09: US$139.82; no sale recorded 2025-04-09: US$139.83; no sale recorded 2025-04-10: US$395.69; no sale recorded 2025-04-22: US$139.86; no sale recorded 2025-04-29: US$254.45; no sale recorded 2025-04-29: US$254.15; no sale recorded 2025-05-16: US$303.72; no sale recorded 2025-06-17: US$155.79; no sale recorded 2025-06-20: US$139.81; no sale recorded 2025-06-21: US$139.87; no sale recorded 2025-06-27: US$139.88; no sale recorded 2025-06-28: US$400.12; no sale recorded 2025-07-09: US$139.81; no sale recorded 2025-07-09: US$139.82; no sale recorded 2025-07-10: US$339.68; no sale recorded 2025-07-14: US$366.73; no sale recorded 2025-07-14: US$298.92; no sale recorded 2025-07-14: US$366.73; no sale recorded 2025-07-15: US$275.11; no sale recorded 2025-07-16: US$275.13; no sale recorded 2025-07-22: US$157.55; no sale recorded 2025-07-22: US$139.85; no sale recorded 2025-08-03: US$190.00; no sale recorded 2025-08-06: US$189.00; no sale recorded 2025-08-06: US$188.90; no sale recorded 2025-08-08: US$188.00; no sale recorded 2025-08-12: US$137.99; no sale recorded 2025-08-13: US$186.00; no sale recorded 2025-08-14: US$139.00; no sale recorded 2025-08-15: US$134.00; no sale recorded 2025-08-18: US$765.00; no sale recorded 2025-08-23: US$183.00; no sale recorded 2025-08-24: US$135.63; no sale recorded 2025-08-25: US$162.50; no sale recorded 2025-08-26: US$139.88; no sale recorded 2025-08-27: US$137.00; no sale recorded 2025-09-03: US$139.97; no sale recorded 2025-09-03: US$139.93; no sale recorded 2025-09-06: US$139.88; no sale recorded 2025-09-16: US$186.00; no sale recorded 2025-09-16: US$135.00; no sale recorded 2025-09-19: US$139.80; no sale recorded 2025-09-26: US$139.87; no sale recorded 2025-10-03: US$355.11; no sale recorded 2025-10-07: US$176.64; no sale recorded 2025-10-09: US$135.63; no sale recorded 2025-10-09: US$139.81; no sale recorded 2025-10-11: US$137.00; no sale recorded 2025-10-21: US$139.86; no sale recorded 2025-10-22: US$139.84; no sale recorded 2025-10-25: US$273.83; no sale recorded 2025-11-02: US$141.60; no sale recorded 2025-11-02: US$220.80; no sale recorded 2025-11-03: US$131.81; no sale recorded 2025-11-05: US$143.19; no sale recorded 2025-11-05: US$139.89; no sale recorded 2025-11-13: US$272.75; no sale recorded 2025-11-19: US$215.60; no sale recorded 2025-11-27: US$446.50; no sale recorded 2025-12-03: US$139.91; no sale recorded 2025-12-03: US$139.95; no sale recorded 2025-12-19: US$165.00; no sale recorded 2025-12-26: US$198.00; no sale recorded 2025-12-29: US$139.00; no sale recorded 2026-01-20: US$139.39; no sale recorded 2026-01-22: US$139.83; no sale recorded 2026-02-03: US$435.50; no sale recorded 2026-02-03: US$184.14; no sale recorded 2026-02-10: US$182.16; no sale recorded 2026-02-16: US$144.02; no sale recorded 2026-03-05: US$126.74; no sale recorded 2026-03-12: US$475.69; no sale recorded 2026-04-03: US$417.26; no sale recorded 2026-04-17: US$436.60; no sale recorded 2026-04-20: US$439.00; no sale recorded 2026-05-09: US$189.00; no sale recorded 2026-05-18: US$436.00; no sale recorded 2026-05-19: US$140.12; no sale recorded 2026-05-20: US$140.06; no sale recorded 2026-05-21: US$175.00; no sale recorded 2026-06-04: US$452.00; no sale recorded 2026-06-11: US$440.20; no sale recorded 2026-06-15: US$185.17; no sale recorded 2026-06-16: US$449.00; no sale recorded 2026-06-17: US$109.21; no sale recorded 2026-06-18: US$104.21; no sale recorded 2026-06-23: US$273.94; no sale recorded 2026-06-24: US$188.00; no sale recorded 2026-06-26: US$151.94; no sale recorded 2026-07-02: US$179.86; no sale recorded 2026-07-02: US$135.88; no sale recorded 2026-07-07: US$436.60; no sale recorded 2026-07-10: US$233.00; no sale recorded 2026-07-13: US$185.88; no sale recorded 2026-07-13: US$176.64; no sale recorded 2026-07-13: US$450.00; no sale recorded 2026-08-20: US$439.00; no sale recorded Recorded US-dollar price history Logarithmic price scale (price + 1). Horizontal axis: listing start date. Vertical axis: recorded price in US dollars. Filled dots have recorded sales; open dots have no recorded sales. The oxide step line shows calendar-month medians, with gaps for missing months. 0 1 10 100 Jan 2018 Apr 2022 Aug 2026 2018-01-22: US$262.88; no sale recorded 2019-11-15: US$253.44; no sale recorded 2019-12-25: US$324.00; no sale recorded 2020-01-07: US$320.00; no sale recorded 2020-01-16: US$477.90; no sale recorded 2020-06-03: US$420.42; no sale recorded 2020-07-09: US$233.96; no sale recorded 2020-09-25: US$355.00; no sale recorded 2020-09-25: US$354.80; no sale recorded 2020-09-25: US$354.70; no sale recorded 2020-09-25: US$354.90; no sale recorded 2021-01-12: US$354.80; no sale recorded 2021-01-12: US$354.90; no sale recorded 2021-01-12: US$354.70; no sale recorded 2021-01-12: US$354.60; no sale recorded 2021-01-13: US$213.24; no sale recorded 2021-03-18: US$354.79; no sale recorded 2021-03-20: US$354.78; no sale recorded 2021-04-02: US$274.00; no sale recorded 2021-06-04: US$354.80; no sale recorded 2021-06-04: US$354.79; no sale recorded 2021-06-04: US$354.70; no sale recorded 2022-01-10: US$423.70; no sale recorded 2022-01-20: US$428.24; no sale recorded 2022-01-20: US$428.21; no sale recorded 2022-02-08: US$379.50; sold recorded 2022-02-23: US$200.00; no sale recorded 2022-02-26: US$781.20; no sale recorded 2022-03-08: US$448.95; no sale recorded 2022-03-08: US$448.57; no sale recorded 2022-03-08: US$448.79; no sale recorded 2022-03-08: US$448.70; no sale recorded 2022-03-08: US$448.80; no sale recorded 2022-03-08: US$448.82; no sale recorded 2022-03-08: US$448.82; no sale recorded 2022-03-08: US$448.81; no sale recorded 2022-03-22: US$157.06; no sale recorded 2022-04-13: US$441.00; no sale recorded 2022-04-13: US$418.95; no sale recorded 2022-04-15: US$415.88; no sale recorded 2022-04-29: US$508.25; no sale recorded 2022-05-03: US$269.89; no sale recorded 2022-05-18: US$428.23; no sale recorded 2022-05-20: US$471.08; no sale recorded 2022-06-07: US$448.80; no sale recorded 2022-06-07: US$448.79; no sale recorded 2022-06-07: US$448.82; no sale recorded 2022-06-07: US$448.57; no sale recorded 2022-06-09: US$448.82; no sale recorded 2022-07-04: US$453.00; no sale recorded 2022-07-14: US$448.75; no sale recorded 2022-08-18: US$471.08; no sale recorded 2022-09-06: US$448.70; no sale recorded 2022-09-06: US$448.81; no sale recorded 2022-09-06: US$448.79; no sale recorded 2022-09-15: US$428.21; no sale recorded 2022-09-16: US$174.95; no sale recorded 2022-11-16: US$471.08; no sale recorded 2022-12-05: US$448.70; no sale recorded 2022-12-05: US$448.95; no sale recorded 2022-12-05: US$448.82; no sale recorded 2022-12-05: US$448.57; no sale recorded 2022-12-05: US$448.80; no sale recorded 2022-12-05: US$448.79; no sale recorded 2022-12-05: US$448.82; no sale recorded 2022-12-05: US$448.81; no sale recorded 2022-12-06: US$206.01; no sale recorded 2023-02-03: US$448.80; no sale recorded 2023-02-03: US$448.82; no sale recorded 2023-02-03: US$448.82; no sale recorded 2023-02-03: US$448.79; no sale recorded 2023-02-10: US$428.24; no sale recorded 2023-02-10: US$428.23; no sale recorded 2023-04-03: US$448.70; no sale recorded 2023-04-04: US$453.00; no sale recorded 2023-04-08: US$428.23; no sale recorded 2023-04-08: US$428.21; no sale recorded 2023-04-08: US$428.24; no sale recorded 2023-04-08: US$471.08; no sale recorded 2023-05-12: US$205.80; no sale recorded 2023-05-20: US$440.00; no sale recorded 2023-05-30: US$448.95; no sale recorded 2023-05-30: US$448.57; no sale recorded 2023-05-30: US$448.79; no sale recorded 2023-06-22: US$160.00; sold recorded 2023-07-05: US$428.21; no sale recorded 2023-07-18: US$415.15; no sale recorded 2023-08-09: US$157.08; no sale recorded 2023-08-22: US$448.82; no sale recorded 2023-08-22: US$448.95; no sale recorded 2023-08-22: US$448.79; no sale recorded 2023-10-02: US$198.00; no sale recorded 2023-10-25: US$308.69; no sale recorded 2023-12-28: US$443.00; no sale recorded 2024-01-02: US$428.23; no sale recorded 2024-01-11: US$424.84; no sale recorded 2024-01-27: US$385.65; no sale recorded 2024-02-18: US$1.00; no sale recorded 2024-02-24: US$424.65; no sale recorded 2024-04-23: US$155.20; no sale recorded 2024-04-23: US$212.04; no sale recorded 2024-05-23: US$150.00; no sale recorded 2024-05-24: US$159.00; no sale recorded 2024-06-11: US$178.00; no sale recorded 2024-06-21: US$375.35; no sale recorded 2024-06-24: US$373.00; no sale recorded 2024-06-24: US$374.00; no sale recorded 2024-06-24: US$375.00; no sale recorded 2024-06-26: US$205.80; no sale recorded 2024-07-01: US$404.80; no sale recorded 2024-07-26: US$205.80; no sale recorded 2024-08-23: US$156.50; no sale recorded 2024-08-29: US$370.00; no sale recorded 2024-08-29: US$371.00; no sale recorded 2024-08-31: US$251.69; no sale recorded 2024-09-10: US$391.50; sold recorded 2024-09-22: US$310.82; sold recorded 2024-09-23: US$374.00; sold recorded 2024-09-23: US$373.00; no sale recorded 2024-09-23: US$375.00; sold recorded 2024-09-25: US$205.80; no sale recorded 2024-10-10: US$141.95; no sale recorded 2024-10-10: US$195.33; sold recorded 2024-10-11: US$447.20; sold recorded 2024-10-11: US$455.60; no sale recorded 2024-10-25: US$205.80; no sale recorded 2024-10-27: US$470.40; sold recorded 2024-11-22: US$392.01; sold recorded 2024-11-22: US$390.01; sold recorded 2024-11-29: US$371.01; no sale recorded 2024-11-29: US$370.01; sold recorded 2024-12-11: US$450.81; no sale recorded 2024-12-25: US$189.44; no sale recorded 2024-12-25: US$205.80; no sale recorded 2025-01-08: US$139.83; sold recorded 2025-01-08: US$139.84; sold recorded 2025-02-17: US$270.98; no sale recorded 2025-02-21: US$269.80; no sale recorded 2025-02-22: US$139.88; no sale recorded 2025-02-24: US$400.12; no sale recorded 2025-02-28: US$139.89; no sale recorded 2025-03-09: US$269.01; no sale recorded 2025-03-12: US$187.43; no sale recorded 2025-03-21: US$139.82; no sale recorded 2025-03-21: US$138.00; no sale recorded 2025-03-22: US$215.00; no sale recorded 2025-03-22: US$157.41; no sale recorded 2025-03-25: US$141.71; no sale recorded 2025-03-28: US$267.93; no sale recorded 2025-04-03: US$139.95; no sale recorded 2025-04-09: US$139.82; no sale recorded 2025-04-09: US$139.83; no sale recorded 2025-04-10: US$395.69; no sale recorded 2025-04-22: US$139.86; no sale recorded 2025-04-29: US$254.45; no sale recorded 2025-04-29: US$254.15; no sale recorded 2025-05-16: US$303.72; no sale recorded 2025-06-17: US$155.79; no sale recorded 2025-06-20: US$139.81; no sale recorded 2025-06-21: US$139.87; no sale recorded 2025-06-27: US$139.88; no sale recorded 2025-06-28: US$400.12; no sale recorded 2025-07-09: US$139.81; no sale recorded 2025-07-09: US$139.82; no sale recorded 2025-07-10: US$339.68; no sale recorded 2025-07-14: US$366.73; no sale recorded 2025-07-14: US$298.92; no sale recorded 2025-07-14: US$366.73; no sale recorded 2025-07-15: US$275.11; no sale recorded 2025-07-16: US$275.13; no sale recorded 2025-07-22: US$157.55; no sale recorded 2025-07-22: US$139.85; no sale recorded 2025-08-03: US$190.00; no sale recorded 2025-08-06: US$189.00; no sale recorded 2025-08-06: US$188.90; no sale recorded 2025-08-08: US$188.00; no sale recorded 2025-08-12: US$137.99; no sale recorded 2025-08-13: US$186.00; no sale recorded 2025-08-14: US$139.00; no sale recorded 2025-08-15: US$134.00; no sale recorded 2025-08-18: US$765.00; no sale recorded 2025-08-23: US$183.00; no sale recorded 2025-08-24: US$135.63; no sale recorded 2025-08-25: US$162.50; no sale recorded 2025-08-26: US$139.88; no sale recorded 2025-08-27: US$137.00; no sale recorded 2025-09-03: US$139.97; no sale recorded 2025-09-03: US$139.93; no sale recorded 2025-09-06: US$139.88; no sale recorded 2025-09-16: US$186.00; no sale recorded 2025-09-16: US$135.00; no sale recorded 2025-09-19: US$139.80; no sale recorded 2025-09-26: US$139.87; no sale recorded 2025-10-03: US$355.11; no sale recorded 2025-10-07: US$176.64; no sale recorded 2025-10-09: US$135.63; no sale recorded 2025-10-09: US$139.81; no sale recorded 2025-10-11: US$137.00; no sale recorded 2025-10-21: US$139.86; no sale recorded 2025-10-22: US$139.84; no sale recorded 2025-10-25: US$273.83; no sale recorded 2025-11-02: US$141.60; no sale recorded 2025-11-02: US$220.80; no sale recorded 2025-11-03: US$131.81; no sale recorded 2025-11-05: US$143.19; no sale recorded 2025-11-05: US$139.89; no sale recorded 2025-11-13: US$272.75; no sale recorded 2025-11-19: US$215.60; no sale recorded 2025-11-27: US$446.50; no sale recorded 2025-12-03: US$139.91; no sale recorded 2025-12-03: US$139.95; no sale recorded 2025-12-19: US$165.00; no sale recorded 2025-12-26: US$198.00; no sale recorded 2025-12-29: US$139.00; no sale recorded 2026-01-20: US$139.39; no sale recorded 2026-01-22: US$139.83; no sale recorded 2026-02-03: US$435.50; no sale recorded 2026-02-03: US$184.14; no sale recorded 2026-02-10: US$182.16; no sale recorded 2026-02-16: US$144.02; no sale recorded 2026-03-05: US$126.74; no sale recorded 2026-03-12: US$475.69; no sale recorded 2026-04-03: US$417.26; no sale recorded 2026-04-17: US$436.60; no sale recorded 2026-04-20: US$439.00; no sale recorded 2026-05-09: US$189.00; no sale recorded 2026-05-18: US$436.00; no sale recorded 2026-05-19: US$140.12; no sale recorded 2026-05-20: US$140.06; no sale recorded 2026-05-21: US$175.00; no sale recorded 2026-06-04: US$452.00; no sale recorded 2026-06-11: US$440.20; no sale recorded 2026-06-15: US$185.17; no sale recorded 2026-06-16: US$449.00; no sale recorded 2026-06-17: US$109.21; no sale recorded 2026-06-18: US$104.21; no sale recorded 2026-06-23: US$273.94; no sale recorded 2026-06-24: US$188.00; no sale recorded 2026-06-26: US$151.94; no sale recorded 2026-07-02: US$179.86; no sale recorded 2026-07-02: US$135.88; no sale recorded 2026-07-07: US$436.60; no sale recorded 2026-07-10: US$233.00; no sale recorded 2026-07-13: US$185.88; no sale recorded 2026-07-13: US$176.64; no sale recorded 2026-07-13: US$450.00; no sale recorded 2026-08-20: US$439.00; no sale recorded Sold recorded No sale recorded Monthly median
Logarithmic price scale (price + 1). Dates are listing starts.
Median recorded price, all years $310.82 247 plotted records from 247 US-dollar records in this range. Monthly medians use all records in each calendar month.