График частотности: кубы

[{"date": "2017-06-17", "qty": 9}, {"date": "2017-11-08", "qty": 3}, {"date": "2021-07-15", "qty": 3}, {"date": "2021-07-31", "qty": 5}, {"date": "2022-11-22", "qty": 4}, {"date": "2023-09-09", "qty": 4}, {"date": "2023-09-11", "qty": 3}, {"date": "2023-11-20", "qty": 3}, {"date": "2023-11-25", "qty": 3}, {"date": "2024-03-27", "qty": 3}, {"date": "2024-10-20", "qty": 3}, {"date": "2024-11-10", "qty": 4}, {"date": "2024-12-04", "qty": 3}, {"date": "2026-01-11", "qty": 6}, {"date": "2026-01-23", "qty": 4}, {"date": "2026-02-02", "qty": 4}, {"date": "2026-02-18", "qty": 13}, {"date": "2026-02-25", "qty": 3}, {"date": "2026-02-27", "qty": 3}, {"date": "2026-03-30", "qty": 4}, {"date": "2026-03-31", "qty": 3}, {"date": "2026-04-17", "qty": 3}, {"date": "2026-04-20", "qty": 7}, {"date": "2026-05-17", "qty": 3}, {"date": "2026-05-20", "qty": 34}, {"date": "2026-05-21", "qty": 6}, {"date": "2026-05-22", "qty": 4}, {"date": "2026-05-23", "qty": 3}, {"date": "2026-06-23", "qty": 4}, {"date": "2026-06-27", "qty": 4}]