График частотности: годов

[{"date": "2015-08-26", "qty": 4}, {"date": "2015-09-13", "qty": 3}, {"date": "2015-09-21", "qty": 3}, {"date": "2016-04-06", "qty": 3}, {"date": "2016-04-07", "qty": 3}, {"date": "2017-04-08", "qty": 3}, {"date": "2017-04-09", "qty": 3}, {"date": "2017-08-18", "qty": 3}, {"date": "2018-05-06", "qty": 3}, {"date": "2018-12-21", "qty": 3}, {"date": "2020-05-05", "qty": 3}, {"date": "2021-01-27", "qty": 3}, {"date": "2022-02-27", "qty": 3}, {"date": "2024-05-09", "qty": 8}, {"date": "2024-12-22", "qty": 6}, {"date": "2024-12-23", "qty": 3}, {"date": "2024-12-25", "qty": 3}, {"date": "2025-04-03", "qty": 4}, {"date": "2025-04-24", "qty": 3}, {"date": "2025-04-25", "qty": 3}, {"date": "2025-07-26", "qty": 3}, {"date": "2025-07-27", "qty": 3}, {"date": "2026-04-01", "qty": 4}, {"date": "2026-06-10", "qty": 5}, {"date": "2026-06-11", "qty": 3}]