График частотности: трем

[{"date": "2020-06-26", "qty": 3}, {"date": "2023-10-31", "qty": 3}, {"date": "2023-11-21", "qty": 3}, {"date": "2023-11-24", "qty": 3}, {"date": "2023-11-25", "qty": 3}, {"date": "2023-11-26", "qty": 3}, {"date": "2023-12-12", "qty": 3}, {"date": "2023-12-31", "qty": 4}, {"date": "2024-01-17", "qty": 3}, {"date": "2024-03-16", "qty": 3}, {"date": "2024-04-01", "qty": 4}, {"date": "2024-04-02", "qty": 5}, {"date": "2024-04-28", "qty": 3}, {"date": "2024-06-11", "qty": 3}, {"date": "2024-06-26", "qty": 4}, {"date": "2024-07-24", "qty": 4}, {"date": "2024-07-25", "qty": 6}, {"date": "2024-07-26", "qty": 3}, {"date": "2024-12-28", "qty": 13}, {"date": "2025-02-05", "qty": 3}, {"date": "2025-02-07", "qty": 3}, {"date": "2025-05-14", "qty": 3}, {"date": "2025-05-23", "qty": 3}, {"date": "2025-06-05", "qty": 6}, {"date": "2025-06-06", "qty": 4}, {"date": "2025-07-01", "qty": 3}, {"date": "2025-07-02", "qty": 3}, {"date": "2025-09-16", "qty": 3}, {"date": "2026-02-27", "qty": 3}, {"date": "2026-04-28", "qty": 3}]