График частотности: кириленко

[{"date": "2011-01-13", "qty": 3}, {"date": "2011-09-04", "qty": 4}, {"date": "2011-10-04", "qty": 4}, {"date": "2011-11-06", "qty": 3}, {"date": "2012-05-19", "qty": 7}, {"date": "2012-07-24", "qty": 3}, {"date": "2012-07-26", "qty": 3}, {"date": "2012-08-04", "qty": 6}, {"date": "2012-08-05", "qty": 3}, {"date": "2012-08-09", "qty": 4}, {"date": "2012-10-18", "qty": 3}, {"date": "2012-10-27", "qty": 4}, {"date": "2013-01-01", "qty": 4}, {"date": "2013-01-16", "qty": 3}, {"date": "2013-02-09", "qty": 3}, {"date": "2013-03-16", "qty": 3}, {"date": "2013-04-21", "qty": 3}, {"date": "2014-06-23", "qty": 3}, {"date": "2015-02-24", "qty": 4}, {"date": "2015-08-17", "qty": 7}, {"date": "2015-08-25", "qty": 6}, {"date": "2015-11-18", "qty": 3}, {"date": "2016-02-27", "qty": 3}]