График частотности: зарядье

[{"date": "2017-09-17", "qty": 9}, {"date": "2017-09-18", "qty": 7}, {"date": "2017-09-27", "qty": 4}, {"date": "2017-09-28", "qty": 3}, {"date": "2017-09-29", "qty": 4}, {"date": "2017-09-30", "qty": 4}, {"date": "2017-10-01", "qty": 3}, {"date": "2017-10-02", "qty": 7}, {"date": "2017-10-03", "qty": 3}, {"date": "2017-10-26", "qty": 3}, {"date": "2017-10-27", "qty": 4}, {"date": "2017-10-28", "qty": 3}, {"date": "2018-06-26", "qty": 4}, {"date": "2018-07-11", "qty": 3}, {"date": "2018-07-16", "qty": 3}, {"date": "2018-07-17", "qty": 3}, {"date": "2018-07-18", "qty": 3}, {"date": "2018-09-08", "qty": 8}, {"date": "2019-04-30", "qty": 3}, {"date": "2020-03-02", "qty": 3}, {"date": "2023-08-15", "qty": 3}, {"date": "2023-08-20", "qty": 3}, {"date": "2023-08-21", "qty": 4}, {"date": "2023-12-12", "qty": 3}, {"date": "2023-12-13", "qty": 3}, {"date": "2023-12-14", "qty": 3}, {"date": "2023-12-15", "qty": 3}, {"date": "2023-12-16", "qty": 4}, {"date": "2024-11-15", "qty": 3}, {"date": "2025-09-13", "qty": 3}]