График частотности: стоимость

[{"date": "2020-12-12", "qty": 3}, {"date": "2020-12-13", "qty": 3}, {"date": "2020-12-30", "qty": 4}, {"date": "2021-01-04", "qty": 3}, {"date": "2021-05-19", "qty": 5}, {"date": "2021-07-08", "qty": 4}, {"date": "2021-07-11", "qty": 3}, {"date": "2021-07-20", "qty": 3}, {"date": "2021-07-27", "qty": 3}, {"date": "2021-08-04", "qty": 3}, {"date": "2021-12-05", "qty": 3}, {"date": "2022-07-27", "qty": 5}, {"date": "2022-08-23", "qty": 3}, {"date": "2022-10-09", "qty": 3}, {"date": "2022-11-04", "qty": 3}, {"date": "2022-11-05", "qty": 3}, {"date": "2022-11-14", "qty": 4}, {"date": "2022-12-22", "qty": 5}, {"date": "2023-02-07", "qty": 3}, {"date": "2023-03-15", "qty": 3}, {"date": "2023-03-16", "qty": 3}, {"date": "2026-07-28", "qty": 2}, {"date": "2026-07-30", "qty": 2}, {"date": "2026-07-30", "qty": 2}, {"date": "2026-07-31", "qty": 4}, {"date": "2026-08-03", "qty": 4}, {"date": "2026-08-04", "qty": 8}, {"date": "2026-08-05", "qty": 12}, {"date": "2026-08-09", "qty": 4}, {"date": "2026-08-11", "qty": 4}]