График частотности: обновил

[{"date": "2012-05-11", "qty": 3}, {"date": "2012-11-28", "qty": 3}, {"date": "2014-08-26", "qty": 3}, {"date": "2014-11-27", "qty": 4}, {"date": "2014-12-12", "qty": 3}, {"date": "2015-07-28", "qty": 4}, {"date": "2015-10-07", "qty": 4}, {"date": "2016-05-11", "qty": 3}, {"date": "2016-10-06", "qty": 3}, {"date": "2018-10-01", "qty": 3}, {"date": "2019-01-28", "qty": 3}, {"date": "2019-05-30", "qty": 3}, {"date": "2021-07-24", "qty": 3}, {"date": "2021-08-03", "qty": 3}, {"date": "2021-11-14", "qty": 6}, {"date": "2024-04-27", "qty": 7}, {"date": "2024-08-25", "qty": 4}, {"date": "2024-10-14", "qty": 4}, {"date": "2024-12-09", "qty": 4}, {"date": "2025-03-29", "qty": 4}, {"date": "2025-05-21", "qty": 3}, {"date": "2025-09-06", "qty": 3}, {"date": "2025-10-23", "qty": 3}]