График частотности: тариф

[{"date": "2013-12-21", "qty": 3}, {"date": "2014-07-10", "qty": 3}, {"date": "2017-08-28", "qty": 3}, {"date": "2018-12-13", "qty": 3}, {"date": "2020-08-24", "qty": 3}, {"date": "2020-11-02", "qty": 3}, {"date": "2020-12-29", "qty": 3}, {"date": "2023-03-25", "qty": 3}, {"date": "2024-11-02", "qty": 4}, {"date": "2025-01-24", "qty": 3}, {"date": "2025-01-26", "qty": 3}, {"date": "2025-03-11", "qty": 3}, {"date": "2025-04-17", "qty": 3}, {"date": "2025-05-15", "qty": 4}, {"date": "2026-08-03", "qty": 4}, {"date": "2026-08-10", "qty": 8}, {"date": "2026-08-18", "qty": 4}, {"date": "2026-08-29", "qty": 4}, {"date": "2026-08-31", "qty": 4}, {"date": "2026-09-02", "qty": 4}, {"date": "2026-09-03", "qty": 4}, {"date": "2026-09-05", "qty": 4}, {"date": "2026-09-07", "qty": 8}]