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 1000 10000 100000 Jan 2020 Aug 2021 Apr 2023 Dec 2024 Aug 2026 2020-01-08: US$16198.00; no sale recorded 2020-01-17: US$4999.00; no sale recorded 2020-01-27: US$4999.00; no sale recorded 2020-02-13: US$4999.00; no sale recorded 2020-02-27: US$4999.00; no sale recorded 2020-03-05: US$4999.00; no sale recorded 2020-03-12: US$4999.00; no sale recorded 2020-03-12: US$7890.00; no sale recorded 2020-03-19: US$4999.00; no sale recorded 2020-03-26: US$4999.00; no sale recorded 2020-04-16: US$2999.00; no sale recorded 2020-04-23: US$2999.00; no sale recorded 2020-05-01: US$2699.00; no sale recorded 2020-05-11: US$2429.00; no sale recorded 2020-05-20: US$2184.00; no sale recorded 2020-05-27: US$1964.00; no sale recorded 2020-06-08: US$1964.00; no sale recorded 2020-06-18: US$1964.00; no sale recorded 2020-07-08: US$2999.00; no sale recorded 2020-07-18: US$2999.00; no sale recorded 2020-08-07: US$2999.00; no sale recorded 2020-08-17: US$2999.00; no sale recorded 2020-08-27: US$2999.00; no sale recorded 2020-09-07: US$2699.00; no sale recorded 2020-09-18: US$2999.00; no sale recorded 2020-09-29: US$2999.00; no sale recorded 2020-10-13: US$2999.00; no sale recorded 2020-10-20: US$2999.00; no sale recorded 2020-10-27: US$2999.00; no sale recorded 2020-11-03: US$2999.00; no sale recorded 2020-11-10: US$2999.00; no sale recorded 2020-11-24: US$2999.00; no sale recorded 2020-12-03: US$2999.00; no sale recorded 2020-12-18: US$3500.00; no sale recorded 2021-01-06: US$2900.00; no sale recorded 2021-01-26: US$2900.00; no sale recorded 2021-02-08: US$2900.00; no sale recorded 2021-03-26: US$3900.00; no sale recorded 2021-04-06: US$3900.00; no sale recorded 2021-04-16: US$3900.00; no sale recorded 2021-05-07: US$3900.00; no sale recorded 2021-05-17: US$3900.00; no sale recorded 2021-05-27: US$3900.00; sold recorded 2022-02-21: US$114927.00; sold recorded 2022-03-21: US$7790.00; no sale recorded 2022-06-07: US$17912.40; no sale recorded 2022-06-11: US$17912.40; no sale recorded 2022-07-13: US$14925.60; no sale recorded 2022-07-13: US$14925.90; no sale recorded 2022-10-11: US$14926.40; no sale recorded 2022-10-11: US$14926.90; no sale recorded 2022-10-11: US$14926.80; no sale recorded 2022-10-17: US$5500.00; no sale recorded 2022-10-27: US$4900.00; no sale recorded 2022-11-07: US$4410.00; no sale recorded 2022-11-24: US$4410.00; no sale recorded 2022-12-04: US$4410.00; no sale recorded 2022-12-13: US$14927.00; no sale recorded 2022-12-23: US$11150.00; sold recorded 2022-12-24: US$4900.00; no sale recorded 2023-01-05: US$14926.00; no sale recorded 2023-01-05: US$14926.90; no sale recorded 2023-01-05: US$14925.90; no sale recorded 2023-01-05: US$14926.30; no sale recorded 2023-01-05: US$14926.80; no sale recorded 2023-01-16: US$7500.00; no sale recorded 2023-03-29: US$8499.00; no sale recorded 2023-04-03: US$14925.60; no sale recorded 2023-04-03: US$14925.90; no sale recorded 2023-04-03: US$14926.00; no sale recorded 2023-04-03: US$14926.40; no sale recorded 2023-04-09: US$8499.00; no sale recorded 2023-04-20: US$8499.00; no sale recorded 2023-04-27: US$8499.00; no sale recorded 2023-05-04: US$8499.00; no sale recorded 2023-05-12: US$8499.00; no sale recorded 2023-05-16: US$2.00; no sale recorded 2023-05-19: US$8499.00; no sale recorded 2023-06-09: US$5160.00; no sale recorded 2023-06-12: US$11500.00; no sale recorded 2023-06-27: US$8499.00; no sale recorded 2023-07-27: US$12000.00; no sale recorded 2023-07-31: US$14926.90; no sale recorded 2023-07-31: US$14926.00; no sale recorded 2023-08-05: US$10450.00; sold recorded 2023-08-08: US$8499.00; no sale recorded 2023-08-12: US$0.99; no sale recorded 2023-08-18: US$42.50; no sale recorded 2023-08-21: US$8499.00; no sale recorded 2023-08-23: US$9107.94; no sale recorded 2023-08-29: US$5540.00; no sale recorded 2023-09-15: US$11075.00; no sale recorded 2023-10-08: US$9600.00; no sale recorded 2023-10-11: US$9870.00; no sale recorded 2023-10-26: US$14926.40; no sale recorded 2023-10-26: US$14925.90; no sale recorded 2023-10-26: US$14925.70; no sale recorded 2023-10-26: US$14926.10; no sale recorded 2023-10-26: US$14926.20; no sale recorded 2023-10-26: US$14925.60; no sale recorded 2023-12-26: US$1.00; no sale recorded 2024-01-18: US$6188.00; no sale recorded 2024-01-20: US$10528.20; no sale recorded 2024-02-02: US$6800.00; no sale recorded 2024-02-19: US$4749.05; no sale recorded 2024-05-06: US$5640.00; no sale recorded 2024-05-27: US$5606.48; no sale recorded 2024-06-18: US$12999.00; no sale recorded 2024-06-19: US$4464.11; no sale recorded 2024-06-28: US$12999.00; no sale recorded 2024-07-08: US$12999.00; no sale recorded 2024-07-16: US$1.00; no sale recorded 2024-07-16: US$12999.00; no sale recorded 2024-08-12: US$6290.00; no sale recorded 2024-08-15: US$12999.00; no sale recorded 2024-08-20: US$5130.89; no sale recorded 2024-08-20: US$50.00; no sale recorded 2024-10-04: US$12999.00; no sale recorded 2024-10-09: US$8520.00; no sale recorded 2024-10-12: US$10381.00; sold recorded 2024-10-14: US$12999.00; no sale recorded 2024-10-24: US$10500.00; no sale recorded 2024-10-24: US$10395.00; no sale recorded 2024-10-24: US$12999.00; no sale recorded 2024-10-31: US$12999.00; no sale recorded 2024-11-07: US$30765.00; sold recorded 2024-11-07: US$12999.00; no sale recorded 2024-11-07: US$64.99; sold recorded 2024-11-08: US$4410.18; no sale recorded 2024-11-14: US$12999.00; no sale recorded 2024-11-21: US$12999.00; no sale recorded 2024-11-28: US$12999.00; no sale recorded 2024-12-05: US$12999.00; no sale recorded 2025-01-11: US$5157.64; no sale recorded 2025-01-11: US$5155.08; no sale recorded 2025-01-22: US$5500.00; no sale recorded 2025-02-28: US$623.00; no sale recorded 2025-03-18: US$3909.04; sold recorded 2025-03-27: US$5469.00; no sale recorded 2025-03-28: US$30765.00; no sale recorded 2025-04-02: US$5099.01; no sale recorded 2025-05-24: US$7037.77; no sale recorded 2025-06-16: US$5099.90; no sale recorded 2025-06-16: US$6208.42; no sale recorded 2025-06-16: US$6884.86; no sale recorded 2025-06-17: US$4300.00; no sale recorded 2025-06-17: US$3748.03; no sale recorded 2025-07-04: US$5095.00; no sale recorded 2025-07-24: US$7651.88; no sale recorded 2025-08-04: US$3618.63; no sale recorded 2025-08-07: US$3860.47; no sale recorded 2025-08-26: US$5062.99; no sale recorded 2025-08-27: US$6151.68; no sale recorded 2025-09-19: US$5107.68; no sale recorded 2025-09-30: US$6082.79; no sale recorded 2025-10-10: US$4647.00; no sale recorded 2025-10-14: US$5069.58; no sale recorded 2025-10-14: US$5069.88; no sale recorded 2025-10-17: US$5068.78; no sale recorded 2025-11-04: US$3313.07; no sale recorded 2025-11-04: US$3313.07; no sale recorded 2025-11-19: US$6250.41; no sale recorded 2025-11-25: US$5800.00; no sale recorded 2025-11-25: US$5000.00; no sale recorded 2025-11-25: US$5799.00; no sale recorded 2025-11-25: US$4999.00; no sale recorded 2025-11-25: US$5799.90; no sale recorded 2025-11-25: US$4999.90; no sale recorded 2025-11-25: US$4999.50; no sale recorded 2025-11-25: US$5799.50; no sale recorded 2025-11-25: US$5799.30; no sale recorded 2025-11-25: US$4999.30; no sale recorded 2025-11-25: US$4998.80; no sale recorded 2025-11-25: US$5798.80; no sale recorded 2025-11-25: US$5798.60; no sale recorded 2025-11-25: US$4998.60; no sale recorded 2025-11-25: US$5798.50; no sale recorded 2025-11-25: US$4998.50; no sale recorded 2025-11-25: US$6123.25; no sale recorded 2025-11-27: US$6198.77; no sale recorded 2025-11-27: US$6987.98; no sale recorded 2025-11-27: US$5462.50; no sale recorded 2025-11-30: US$6250.00; no sale recorded 2025-12-02: US$6843.52; no sale recorded 2025-12-02: US$5899.52; no sale recorded 2025-12-02: US$5940.00; no sale recorded 2025-12-06: US$3489.99; no sale recorded 2025-12-09: US$5587.51; no sale recorded 2025-12-15: US$3000.00; no sale recorded 2026-01-04: US$5797.90; no sale recorded 2026-01-06: US$7857.00; no sale recorded 2026-01-06: US$3511.99; no sale recorded 2026-01-06: US$3511.99; no sale recorded 2026-01-09: US$3822.99; no sale recorded 2026-01-22: US$6172.20; no sale recorded 2026-01-28: US$6202.20; no sale recorded 2026-01-29: US$6084.78; no sale recorded 2026-02-07: US$3811.36; no sale recorded 2026-02-07: US$3811.36; no sale recorded 2026-02-10: US$11500.99; no sale recorded 2026-02-12: US$3731.53; no sale recorded 2026-02-12: US$3731.53; no sale recorded 2026-02-23: US$5398.92; no sale recorded 2026-02-27: US$4899.89; no sale recorded 2026-03-04: US$3845.02; no sale recorded 2026-03-04: US$3845.02; no sale recorded 2026-03-10: US$4992.71; no sale recorded 2026-03-13: US$3920.19; no sale recorded 2026-04-08: US$3753.03; no sale recorded 2026-04-08: US$3753.03; no sale recorded 2026-04-09: US$3664.69; no sale recorded 2026-04-09: US$3664.69; no sale recorded 2026-04-09: US$3793.28; no sale recorded 2026-04-09: US$3793.28; no sale recorded 2026-04-27: US$5038.68; no sale recorded 2026-04-29: US$12746.42; no sale recorded 2026-04-29: US$19828.55; no sale recorded 2026-05-12: US$4804.17; no sale recorded 2026-05-12: US$5390.00; no sale recorded 2026-05-13: US$4898.60; no sale recorded 2026-06-05: US$4954.47; no sale recorded 2026-06-18: US$4983.50; no sale recorded 2026-06-25: US$4949.94; no sale recorded 2026-06-25: US$4950.04; no sale recorded 2026-06-25: US$5945.36; no sale recorded 2026-06-26: US$5868.34; no sale recorded 2026-06-26: US$5937.92; no sale recorded 2026-06-26: US$5985.25; no sale recorded 2026-06-26: US$6000.03; no sale recorded 2026-06-27: US$4370.00; no sale recorded 2026-07-02: US$7134.92; no sale recorded 2026-07-06: US$3783.03; no sale recorded 2026-07-06: US$3783.03; no sale recorded 2026-07-11: US$5520.00; no sale recorded 2026-08-07: US$3841.29; 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 1000 10000 100000 Jan 2020 Apr 2023 Aug 2026 2020-01-08: US$16198.00; no sale recorded 2020-01-17: US$4999.00; no sale recorded 2020-01-27: US$4999.00; no sale recorded 2020-02-13: US$4999.00; no sale recorded 2020-02-27: US$4999.00; no sale recorded 2020-03-05: US$4999.00; no sale recorded 2020-03-12: US$4999.00; no sale recorded 2020-03-12: US$7890.00; no sale recorded 2020-03-19: US$4999.00; no sale recorded 2020-03-26: US$4999.00; no sale recorded 2020-04-16: US$2999.00; no sale recorded 2020-04-23: US$2999.00; no sale recorded 2020-05-01: US$2699.00; no sale recorded 2020-05-11: US$2429.00; no sale recorded 2020-05-20: US$2184.00; no sale recorded 2020-05-27: US$1964.00; no sale recorded 2020-06-08: US$1964.00; no sale recorded 2020-06-18: US$1964.00; no sale recorded 2020-07-08: US$2999.00; no sale recorded 2020-07-18: US$2999.00; no sale recorded 2020-08-07: US$2999.00; no sale recorded 2020-08-17: US$2999.00; no sale recorded 2020-08-27: US$2999.00; no sale recorded 2020-09-07: US$2699.00; no sale recorded 2020-09-18: US$2999.00; no sale recorded 2020-09-29: US$2999.00; no sale recorded 2020-10-13: US$2999.00; no sale recorded 2020-10-20: US$2999.00; no sale recorded 2020-10-27: US$2999.00; no sale recorded 2020-11-03: US$2999.00; no sale recorded 2020-11-10: US$2999.00; no sale recorded 2020-11-24: US$2999.00; no sale recorded 2020-12-03: US$2999.00; no sale recorded 2020-12-18: US$3500.00; no sale recorded 2021-01-06: US$2900.00; no sale recorded 2021-01-26: US$2900.00; no sale recorded 2021-02-08: US$2900.00; no sale recorded 2021-03-26: US$3900.00; no sale recorded 2021-04-06: US$3900.00; no sale recorded 2021-04-16: US$3900.00; no sale recorded 2021-05-07: US$3900.00; no sale recorded 2021-05-17: US$3900.00; no sale recorded 2021-05-27: US$3900.00; sold recorded 2022-02-21: US$114927.00; sold recorded 2022-03-21: US$7790.00; no sale recorded 2022-06-07: US$17912.40; no sale recorded 2022-06-11: US$17912.40; no sale recorded 2022-07-13: US$14925.60; no sale recorded 2022-07-13: US$14925.90; no sale recorded 2022-10-11: US$14926.40; no sale recorded 2022-10-11: US$14926.90; no sale recorded 2022-10-11: US$14926.80; no sale recorded 2022-10-17: US$5500.00; no sale recorded 2022-10-27: US$4900.00; no sale recorded 2022-11-07: US$4410.00; no sale recorded 2022-11-24: US$4410.00; no sale recorded 2022-12-04: US$4410.00; no sale recorded 2022-12-13: US$14927.00; no sale recorded 2022-12-23: US$11150.00; sold recorded 2022-12-24: US$4900.00; no sale recorded 2023-01-05: US$14926.00; no sale recorded 2023-01-05: US$14926.90; no sale recorded 2023-01-05: US$14925.90; no sale recorded 2023-01-05: US$14926.30; no sale recorded 2023-01-05: US$14926.80; no sale recorded 2023-01-16: US$7500.00; no sale recorded 2023-03-29: US$8499.00; no sale recorded 2023-04-03: US$14925.60; no sale recorded 2023-04-03: US$14925.90; no sale recorded 2023-04-03: US$14926.00; no sale recorded 2023-04-03: US$14926.40; no sale recorded 2023-04-09: US$8499.00; no sale recorded 2023-04-20: US$8499.00; no sale recorded 2023-04-27: US$8499.00; no sale recorded 2023-05-04: US$8499.00; no sale recorded 2023-05-12: US$8499.00; no sale recorded 2023-05-16: US$2.00; no sale recorded 2023-05-19: US$8499.00; no sale recorded 2023-06-09: US$5160.00; no sale recorded 2023-06-12: US$11500.00; no sale recorded 2023-06-27: US$8499.00; no sale recorded 2023-07-27: US$12000.00; no sale recorded 2023-07-31: US$14926.90; no sale recorded 2023-07-31: US$14926.00; no sale recorded 2023-08-05: US$10450.00; sold recorded 2023-08-08: US$8499.00; no sale recorded 2023-08-12: US$0.99; no sale recorded 2023-08-18: US$42.50; no sale recorded 2023-08-21: US$8499.00; no sale recorded 2023-08-23: US$9107.94; no sale recorded 2023-08-29: US$5540.00; no sale recorded 2023-09-15: US$11075.00; no sale recorded 2023-10-08: US$9600.00; no sale recorded 2023-10-11: US$9870.00; no sale recorded 2023-10-26: US$14926.40; no sale recorded 2023-10-26: US$14925.90; no sale recorded 2023-10-26: US$14925.70; no sale recorded 2023-10-26: US$14926.10; no sale recorded 2023-10-26: US$14926.20; no sale recorded 2023-10-26: US$14925.60; no sale recorded 2023-12-26: US$1.00; no sale recorded 2024-01-18: US$6188.00; no sale recorded 2024-01-20: US$10528.20; no sale recorded 2024-02-02: US$6800.00; no sale recorded 2024-02-19: US$4749.05; no sale recorded 2024-05-06: US$5640.00; no sale recorded 2024-05-27: US$5606.48; no sale recorded 2024-06-18: US$12999.00; no sale recorded 2024-06-19: US$4464.11; no sale recorded 2024-06-28: US$12999.00; no sale recorded 2024-07-08: US$12999.00; no sale recorded 2024-07-16: US$1.00; no sale recorded 2024-07-16: US$12999.00; no sale recorded 2024-08-12: US$6290.00; no sale recorded 2024-08-15: US$12999.00; no sale recorded 2024-08-20: US$5130.89; no sale recorded 2024-08-20: US$50.00; no sale recorded 2024-10-04: US$12999.00; no sale recorded 2024-10-09: US$8520.00; no sale recorded 2024-10-12: US$10381.00; sold recorded 2024-10-14: US$12999.00; no sale recorded 2024-10-24: US$10500.00; no sale recorded 2024-10-24: US$10395.00; no sale recorded 2024-10-24: US$12999.00; no sale recorded 2024-10-31: US$12999.00; no sale recorded 2024-11-07: US$30765.00; sold recorded 2024-11-07: US$12999.00; no sale recorded 2024-11-07: US$64.99; sold recorded 2024-11-08: US$4410.18; no sale recorded 2024-11-14: US$12999.00; no sale recorded 2024-11-21: US$12999.00; no sale recorded 2024-11-28: US$12999.00; no sale recorded 2024-12-05: US$12999.00; no sale recorded 2025-01-11: US$5157.64; no sale recorded 2025-01-11: US$5155.08; no sale recorded 2025-01-22: US$5500.00; no sale recorded 2025-02-28: US$623.00; no sale recorded 2025-03-18: US$3909.04; sold recorded 2025-03-27: US$5469.00; no sale recorded 2025-03-28: US$30765.00; no sale recorded 2025-04-02: US$5099.01; no sale recorded 2025-05-24: US$7037.77; no sale recorded 2025-06-16: US$5099.90; no sale recorded 2025-06-16: US$6208.42; no sale recorded 2025-06-16: US$6884.86; no sale recorded 2025-06-17: US$4300.00; no sale recorded 2025-06-17: US$3748.03; no sale recorded 2025-07-04: US$5095.00; no sale recorded 2025-07-24: US$7651.88; no sale recorded 2025-08-04: US$3618.63; no sale recorded 2025-08-07: US$3860.47; no sale recorded 2025-08-26: US$5062.99; no sale recorded 2025-08-27: US$6151.68; no sale recorded 2025-09-19: US$5107.68; no sale recorded 2025-09-30: US$6082.79; no sale recorded 2025-10-10: US$4647.00; no sale recorded 2025-10-14: US$5069.58; no sale recorded 2025-10-14: US$5069.88; no sale recorded 2025-10-17: US$5068.78; no sale recorded 2025-11-04: US$3313.07; no sale recorded 2025-11-04: US$3313.07; no sale recorded 2025-11-19: US$6250.41; no sale recorded 2025-11-25: US$5800.00; no sale recorded 2025-11-25: US$5000.00; no sale recorded 2025-11-25: US$5799.00; no sale recorded 2025-11-25: US$4999.00; no sale recorded 2025-11-25: US$5799.90; no sale recorded 2025-11-25: US$4999.90; no sale recorded 2025-11-25: US$4999.50; no sale recorded 2025-11-25: US$5799.50; no sale recorded 2025-11-25: US$5799.30; no sale recorded 2025-11-25: US$4999.30; no sale recorded 2025-11-25: US$4998.80; no sale recorded 2025-11-25: US$5798.80; no sale recorded 2025-11-25: US$5798.60; no sale recorded 2025-11-25: US$4998.60; no sale recorded 2025-11-25: US$5798.50; no sale recorded 2025-11-25: US$4998.50; no sale recorded 2025-11-25: US$6123.25; no sale recorded 2025-11-27: US$6198.77; no sale recorded 2025-11-27: US$6987.98; no sale recorded 2025-11-27: US$5462.50; no sale recorded 2025-11-30: US$6250.00; no sale recorded 2025-12-02: US$6843.52; no sale recorded 2025-12-02: US$5899.52; no sale recorded 2025-12-02: US$5940.00; no sale recorded 2025-12-06: US$3489.99; no sale recorded 2025-12-09: US$5587.51; no sale recorded 2025-12-15: US$3000.00; no sale recorded 2026-01-04: US$5797.90; no sale recorded 2026-01-06: US$7857.00; no sale recorded 2026-01-06: US$3511.99; no sale recorded 2026-01-06: US$3511.99; no sale recorded 2026-01-09: US$3822.99; no sale recorded 2026-01-22: US$6172.20; no sale recorded 2026-01-28: US$6202.20; no sale recorded 2026-01-29: US$6084.78; no sale recorded 2026-02-07: US$3811.36; no sale recorded 2026-02-07: US$3811.36; no sale recorded 2026-02-10: US$11500.99; no sale recorded 2026-02-12: US$3731.53; no sale recorded 2026-02-12: US$3731.53; no sale recorded 2026-02-23: US$5398.92; no sale recorded 2026-02-27: US$4899.89; no sale recorded 2026-03-04: US$3845.02; no sale recorded 2026-03-04: US$3845.02; no sale recorded 2026-03-10: US$4992.71; no sale recorded 2026-03-13: US$3920.19; no sale recorded 2026-04-08: US$3753.03; no sale recorded 2026-04-08: US$3753.03; no sale recorded 2026-04-09: US$3664.69; no sale recorded 2026-04-09: US$3664.69; no sale recorded 2026-04-09: US$3793.28; no sale recorded 2026-04-09: US$3793.28; no sale recorded 2026-04-27: US$5038.68; no sale recorded 2026-04-29: US$12746.42; no sale recorded 2026-04-29: US$19828.55; no sale recorded 2026-05-12: US$4804.17; no sale recorded 2026-05-12: US$5390.00; no sale recorded 2026-05-13: US$4898.60; no sale recorded 2026-06-05: US$4954.47; no sale recorded 2026-06-18: US$4983.50; no sale recorded 2026-06-25: US$4949.94; no sale recorded 2026-06-25: US$4950.04; no sale recorded 2026-06-25: US$5945.36; no sale recorded 2026-06-26: US$5868.34; no sale recorded 2026-06-26: US$5937.92; no sale recorded 2026-06-26: US$5985.25; no sale recorded 2026-06-26: US$6000.03; no sale recorded 2026-06-27: US$4370.00; no sale recorded 2026-07-02: US$7134.92; no sale recorded 2026-07-06: US$3783.03; no sale recorded 2026-07-06: US$3783.03; no sale recorded 2026-07-11: US$5520.00; no sale recorded 2026-08-07: US$3841.29; no sale recorded Sold recorded No sale recorded Monthly median
Logarithmic price scale (price + 1). Dates are listing starts.
Median recorded price, all years $5398.92 235 plotted records from 235 US-dollar records in this range. Monthly medians use all records in each calendar month.