График частотности: ссора

[{"date": "2011-11-29", "qty": 3}, {"date": "2013-03-17", "qty": 3}, {"date": "2020-04-25", "qty": 3}, {"date": "2020-12-21", "qty": 3}, {"date": "2024-01-29", "qty": 4}, {"date": "2026-08-04", "qty": 4}]