График частотности: водителей

[{"date": "2015-11-29", "qty": 7}, {"date": "2015-12-07", "qty": 3}, {"date": "2015-12-28", "qty": 3}, {"date": "2016-01-11", "qty": 10}, {"date": "2016-06-01", "qty": 3}, {"date": "2017-10-16", "qty": 3}, {"date": "2017-12-25", "qty": 3}, {"date": "2017-12-27", "qty": 3}, {"date": "2018-05-15", "qty": 3}, {"date": "2019-02-24", "qty": 3}, {"date": "2020-07-21", "qty": 3}, {"date": "2020-09-21", "qty": 3}, {"date": "2020-10-07", "qty": 3}, {"date": "2021-06-03", "qty": 9}, {"date": "2021-07-31", "qty": 3}, {"date": "2021-08-01", "qty": 3}, {"date": "2021-12-01", "qty": 3}, {"date": "2021-12-30", "qty": 6}, {"date": "2022-11-29", "qty": 3}, {"date": "2022-12-23", "qty": 3}, {"date": "2022-12-24", "qty": 3}, {"date": "2022-12-25", "qty": 3}, {"date": "2023-09-27", "qty": 3}, {"date": "2023-11-28", "qty": 3}, {"date": "2024-11-08", "qty": 3}, {"date": "2025-04-17", "qty": 3}, {"date": "2025-12-20", "qty": 4}, {"date": "2026-02-16", "qty": 19}, {"date": "2026-04-07", "qty": 7}, {"date": "2026-06-19", "qty": 3}]