График частотности: одному

[{"date": "2025-03-21", "qty": 3}, {"date": "2025-03-22", "qty": 7}, {"date": "2025-03-23", "qty": 3}, {"date": "2025-03-24", "qty": 3}, {"date": "2025-03-25", "qty": 4}, {"date": "2025-03-26", "qty": 3}, {"date": "2025-03-27", "qty": 3}, {"date": "2025-03-28", "qty": 3}, {"date": "2025-03-29", "qty": 3}, {"date": "2025-03-30", "qty": 3}, {"date": "2025-03-31", "qty": 3}, {"date": "2025-04-02", "qty": 3}, {"date": "2025-04-03", "qty": 3}, {"date": "2025-04-04", "qty": 3}, {"date": "2025-04-05", "qty": 3}, {"date": "2025-04-06", "qty": 3}, {"date": "2025-11-16", "qty": 3}, {"date": "2025-11-21", "qty": 3}, {"date": "2026-01-20", "qty": 3}, {"date": "2026-01-21", "qty": 3}, {"date": "2026-01-27", "qty": 3}, {"date": "2026-01-28", "qty": 3}, {"date": "2026-03-12", "qty": 3}, {"date": "2026-03-13", "qty": 3}, {"date": "2026-03-14", "qty": 3}, {"date": "2026-03-15", "qty": 3}, {"date": "2026-03-29", "qty": 3}, {"date": "2026-06-04", "qty": 3}, {"date": "2026-06-05", "qty": 4}, {"date": "2026-06-06", "qty": 5}]