График частотности: группировка

[{"date": "2024-12-01", "qty": 5}, {"date": "2024-12-02", "qty": 5}, {"date": "2024-12-11", "qty": 3}, {"date": "2024-12-12", "qty": 3}, {"date": "2024-12-13", "qty": 3}, {"date": "2024-12-15", "qty": 3}, {"date": "2025-07-08", "qty": 3}, {"date": "2025-10-07", "qty": 3}, {"date": "2025-11-18", "qty": 3}, {"date": "2025-11-20", "qty": 8}, {"date": "2025-12-27", "qty": 4}, {"date": "2025-12-29", "qty": 5}, {"date": "2026-03-06", "qty": 3}, {"date": "2026-03-16", "qty": 3}, {"date": "2026-03-18", "qty": 4}, {"date": "2026-03-19", "qty": 3}, {"date": "2026-03-20", "qty": 3}, {"date": "2026-04-11", "qty": 3}, {"date": "2026-05-16", "qty": 3}, {"date": "2026-05-17", "qty": 3}, {"date": "2026-07-28", "qty": 2}, {"date": "2026-08-05", "qty": 8}, {"date": "2026-08-07", "qty": 4}, {"date": "2026-08-14", "qty": 4}, {"date": "2026-08-15", "qty": 4}, {"date": "2026-08-22", "qty": 4}, {"date": "2026-08-25", "qty": 4}, {"date": "2026-08-27", "qty": 4}, {"date": "2026-08-28", "qty": 4}, {"date": "2026-09-03", "qty": 4}]