График частотности: середине

[{"date": "2025-03-01", "qty": 3}, {"date": "2025-03-02", "qty": 3}, {"date": "2025-03-03", "qty": 3}, {"date": "2025-03-05", "qty": 3}, {"date": "2025-03-06", "qty": 3}, {"date": "2025-03-07", "qty": 3}, {"date": "2025-03-08", "qty": 3}, {"date": "2025-03-09", "qty": 3}, {"date": "2025-03-10", "qty": 3}, {"date": "2025-03-11", "qty": 4}, {"date": "2025-03-12", "qty": 3}, {"date": "2025-03-13", "qty": 3}, {"date": "2025-03-14", "qty": 3}, {"date": "2025-03-15", "qty": 3}, {"date": "2025-03-16", "qty": 3}, {"date": "2025-03-17", "qty": 3}, {"date": "2025-03-18", "qty": 3}, {"date": "2025-04-30", "qty": 3}, {"date": "2025-05-22", "qty": 3}, {"date": "2025-07-31", "qty": 3}, {"date": "2025-10-01", "qty": 3}, {"date": "2025-11-02", "qty": 4}, {"date": "2025-12-15", "qty": 3}, {"date": "2026-04-03", "qty": 3}, {"date": "2026-04-04", "qty": 3}, {"date": "2026-04-05", "qty": 4}, {"date": "2026-04-06", "qty": 3}, {"date": "2026-04-10", "qty": 3}, {"date": "2026-04-11", "qty": 3}, {"date": "2026-04-12", "qty": 3}]