График частотности: гипермаркете

[{"date": "2011-01-26", "qty": 3}, {"date": "2011-01-29", "qty": 4}, {"date": "2012-12-10", "qty": 3}, {"date": "2018-11-10", "qty": 15}, {"date": "2018-11-11", "qty": 9}, {"date": "2024-05-26", "qty": 3}]