График частотности: делега

[{"date": "2025-03-19", "qty": 3}, {"date": "2026-01-16", "qty": 3}, {"date": "2026-01-19", "qty": 23}, {"date": "2026-01-22", "qty": 4}, {"date": "2026-01-29", "qty": 3}, {"date": "2026-02-16", "qty": 7}]