График частотности: знан

[{"date": "2017-12-17", "qty": 6}, {"date": "2017-12-18", "qty": 5}, {"date": "2017-12-19", "qty": 4}, {"date": "2017-12-20", "qty": 3}, {"date": "2017-12-21", "qty": 3}, {"date": "2017-12-22", "qty": 3}, {"date": "2017-12-23", "qty": 3}, {"date": "2017-12-24", "qty": 3}, {"date": "2017-12-25", "qty": 3}, {"date": "2017-12-26", "qty": 3}, {"date": "2018-07-03", "qty": 4}, {"date": "2018-07-11", "qty": 3}, {"date": "2018-09-30", "qty": 3}, {"date": "2019-02-12", "qty": 3}, {"date": "2021-06-27", "qty": 3}, {"date": "2021-07-26", "qty": 3}, {"date": "2023-06-25", "qty": 3}, {"date": "2023-10-12", "qty": 3}, {"date": "2023-10-30", "qty": 3}, {"date": "2023-10-31", "qty": 3}, {"date": "2023-11-02", "qty": 3}, {"date": "2023-11-03", "qty": 3}, {"date": "2023-11-05", "qty": 3}, {"date": "2023-12-20", "qty": 3}, {"date": "2023-12-24", "qty": 3}, {"date": "2024-02-14", "qty": 3}, {"date": "2024-04-23", "qty": 4}, {"date": "2024-06-12", "qty": 4}, {"date": "2025-04-24", "qty": 3}, {"date": "2026-07-09", "qty": 3}]