График частотности: ехать

[{"date": "2015-03-24", "qty": 4}, {"date": "2015-04-04", "qty": 3}, {"date": "2015-04-18", "qty": 6}, {"date": "2015-04-26", "qty": 3}, {"date": "2015-08-30", "qty": 3}, {"date": "2015-09-28", "qty": 4}, {"date": "2015-11-11", "qty": 3}, {"date": "2016-01-13", "qty": 4}, {"date": "2016-01-28", "qty": 3}, {"date": "2016-02-24", "qty": 3}, {"date": "2016-04-18", "qty": 6}, {"date": "2016-05-16", "qty": 3}, {"date": "2016-05-17", "qty": 4}, {"date": "2017-04-03", "qty": 3}, {"date": "2017-05-03", "qty": 3}, {"date": "2017-10-10", "qty": 3}, {"date": "2018-01-26", "qty": 3}, {"date": "2018-08-12", "qty": 4}, {"date": "2018-09-22", "qty": 3}, {"date": "2020-03-05", "qty": 3}, {"date": "2020-06-17", "qty": 7}, {"date": "2020-07-18", "qty": 3}, {"date": "2021-08-22", "qty": 3}, {"date": "2022-01-11", "qty": 3}, {"date": "2022-10-19", "qty": 3}, {"date": "2022-11-10", "qty": 3}, {"date": "2022-12-27", "qty": 3}, {"date": "2022-12-28", "qty": 3}, {"date": "2023-03-07", "qty": 3}, {"date": "2023-03-08", "qty": 3}]