График частотности: доставки

[{"date": "2017-04-09", "qty": 3}, {"date": "2017-06-29", "qty": 3}, {"date": "2019-03-15", "qty": 3}, {"date": "2019-03-16", "qty": 3}, {"date": "2019-07-12", "qty": 4}, {"date": "2019-09-13", "qty": 3}, {"date": "2019-09-15", "qty": 3}, {"date": "2019-09-16", "qty": 3}, {"date": "2020-11-03", "qty": 6}, {"date": "2020-11-04", "qty": 6}, {"date": "2021-01-04", "qty": 3}, {"date": "2021-07-05", "qty": 3}, {"date": "2023-09-23", "qty": 3}, {"date": "2023-09-24", "qty": 3}, {"date": "2023-09-25", "qty": 3}, {"date": "2023-09-26", "qty": 3}, {"date": "2023-12-16", "qty": 3}, {"date": "2024-02-04", "qty": 30}, {"date": "2024-07-07", "qty": 5}, {"date": "2024-11-02", "qty": 5}, {"date": "2025-05-15", "qty": 3}, {"date": "2025-05-16", "qty": 3}, {"date": "2025-06-23", "qty": 3}, {"date": "2025-12-15", "qty": 3}, {"date": "2026-06-08", "qty": 3}, {"date": "2026-06-09", "qty": 3}, {"date": "2026-06-24", "qty": 3}, {"date": "2026-06-25", "qty": 3}, {"date": "2026-07-25", "qty": 3}, {"date": "2026-07-26", "qty": 5}]