График частотности: сравнению

[{"date": "2011-04-18", "qty": 3}, {"date": "2011-04-19", "qty": 3}, {"date": "2012-03-07", "qty": 3}, {"date": "2013-04-15", "qty": 7}, {"date": "2013-04-16", "qty": 7}, {"date": "2014-09-26", "qty": 3}, {"date": "2015-04-15", "qty": 3}, {"date": "2015-08-17", "qty": 3}, {"date": "2018-12-26", "qty": 8}, {"date": "2022-11-21", "qty": 3}, {"date": "2024-05-03", "qty": 4}, {"date": "2024-10-04", "qty": 6}, {"date": "2025-01-05", "qty": 3}, {"date": "2025-11-01", "qty": 3}]