График частотности: зайцева

[{"date": "2011-12-11", "qty": 13}, {"date": "2011-12-16", "qty": 10}, {"date": "2011-12-17", "qty": 24}, {"date": "2011-12-18", "qty": 6}, {"date": "2011-12-19", "qty": 3}, {"date": "2012-01-08", "qty": 7}, {"date": "2012-01-13", "qty": 13}, {"date": "2012-01-14", "qty": 5}, {"date": "2012-01-15", "qty": 8}, {"date": "2012-01-19", "qty": 3}, {"date": "2012-01-21", "qty": 3}, {"date": "2012-02-02", "qty": 3}, {"date": "2012-02-04", "qty": 11}, {"date": "2012-02-05", "qty": 4}, {"date": "2012-02-11", "qty": 5}, {"date": "2012-02-12", "qty": 4}, {"date": "2012-03-01", "qty": 6}, {"date": "2012-03-04", "qty": 3}, {"date": "2012-03-10", "qty": 3}, {"date": "2012-03-11", "qty": 5}, {"date": "2013-01-06", "qty": 3}, {"date": "2013-01-13", "qty": 3}, {"date": "2013-02-10", "qty": 4}, {"date": "2013-02-11", "qty": 6}, {"date": "2013-03-07", "qty": 3}, {"date": "2013-03-10", "qty": 5}, {"date": "2015-01-30", "qty": 4}, {"date": "2020-06-18", "qty": 4}, {"date": "2020-12-15", "qty": 3}, {"date": "2023-05-04", "qty": 4}]