График частотности: дефолта

[{"date": "2011-08-01", "qty": 4}, {"date": "2011-08-02", "qty": 6}, {"date": "2011-08-03", "qty": 3}, {"date": "2011-08-08", "qty": 4}, {"date": "2011-08-09", "qty": 4}, {"date": "2011-08-10", "qty": 3}, {"date": "2011-08-11", "qty": 3}, {"date": "2011-08-12", "qty": 3}, {"date": "2012-01-17", "qty": 3}, {"date": "2012-03-09", "qty": 5}, {"date": "2013-03-20", "qty": 5}, {"date": "2013-03-21", "qty": 8}, {"date": "2013-03-22", "qty": 6}, {"date": "2013-03-24", "qty": 3}, {"date": "2013-03-25", "qty": 4}, {"date": "2014-05-16", "qty": 6}, {"date": "2015-01-16", "qty": 3}, {"date": "2015-05-20", "qty": 3}, {"date": "2015-05-29", "qty": 3}, {"date": "2015-06-12", "qty": 3}, {"date": "2015-06-29", "qty": 3}, {"date": "2015-07-27", "qty": 11}, {"date": "2015-08-30", "qty": 8}, {"date": "2017-08-11", "qty": 3}, {"date": "2017-08-12", "qty": 3}, {"date": "2017-08-13", "qty": 7}, {"date": "2017-11-02", "qty": 8}, {"date": "2018-08-17", "qty": 6}, {"date": "2020-08-18", "qty": 8}, {"date": "2021-07-24", "qty": 3}]