График частотности: черный

[{"date": "2016-07-15", "qty": 4}, {"date": "2016-12-31", "qty": 3}, {"date": "2017-01-12", "qty": 6}, {"date": "2017-05-11", "qty": 6}, {"date": "2017-07-25", "qty": 3}, {"date": "2017-08-11", "qty": 3}, {"date": "2018-04-06", "qty": 3}, {"date": "2018-04-12", "qty": 3}, {"date": "2018-09-21", "qty": 4}, {"date": "2019-04-18", "qty": 3}, {"date": "2019-10-12", "qty": 3}, {"date": "2020-10-11", "qty": 3}, {"date": "2020-10-28", "qty": 4}, {"date": "2023-02-10", "qty": 3}, {"date": "2023-02-11", "qty": 3}, {"date": "2023-02-12", "qty": 3}, {"date": "2023-02-13", "qty": 3}, {"date": "2023-02-14", "qty": 3}, {"date": "2023-02-15", "qty": 3}, {"date": "2023-06-20", "qty": 3}, {"date": "2024-01-30", "qty": 4}, {"date": "2024-02-22", "qty": 3}, {"date": "2024-08-14", "qty": 3}, {"date": "2024-08-15", "qty": 3}, {"date": "2024-08-16", "qty": 3}, {"date": "2024-08-17", "qty": 3}, {"date": "2025-05-13", "qty": 3}, {"date": "2025-05-16", "qty": 3}, {"date": "2026-01-06", "qty": 3}, {"date": "2026-01-29", "qty": 6}]