График частотности: краба

[{"date": "2015-02-26", "qty": 3}, {"date": "2017-11-23", "qty": 3}, {"date": "2020-04-18", "qty": 3}, {"date": "2020-07-31", "qty": 11}, {"date": "2020-08-01", "qty": 3}, {"date": "2023-09-11", "qty": 8}]