График частотности: половину

[{"date": "2010-12-23", "qty": 3}, {"date": "2011-03-31", "qty": 3}, {"date": "2011-10-27", "qty": 6}, {"date": "2011-11-10", "qty": 3}, {"date": "2012-03-26", "qty": 3}, {"date": "2012-03-30", "qty": 3}, {"date": "2012-11-26", "qty": 3}, {"date": "2013-04-18", "qty": 3}, {"date": "2013-11-27", "qty": 11}, {"date": "2014-02-19", "qty": 3}, {"date": "2014-12-30", "qty": 3}, {"date": "2015-10-13", "qty": 4}, {"date": "2017-04-24", "qty": 3}, {"date": "2017-06-14", "qty": 6}, {"date": "2018-04-13", "qty": 3}, {"date": "2018-05-21", "qty": 3}, {"date": "2018-07-04", "qty": 3}, {"date": "2019-10-14", "qty": 3}, {"date": "2020-03-24", "qty": 6}, {"date": "2020-04-30", "qty": 3}, {"date": "2020-08-19", "qty": 3}, {"date": "2020-11-25", "qty": 3}, {"date": "2021-12-31", "qty": 3}, {"date": "2025-01-03", "qty": 3}, {"date": "2025-02-08", "qty": 3}, {"date": "2025-02-09", "qty": 3}, {"date": "2025-02-14", "qty": 4}, {"date": "2025-02-22", "qty": 4}, {"date": "2025-05-15", "qty": 4}, {"date": "2025-05-26", "qty": 3}]