График частотности: обсуждение

[{"date": "2017-03-01", "qty": 14}, {"date": "2017-03-02", "qty": 17}, {"date": "2017-03-03", "qty": 16}, {"date": "2017-03-04", "qty": 15}, {"date": "2017-03-05", "qty": 19}, {"date": "2017-03-06", "qty": 13}, {"date": "2017-03-07", "qty": 12}, {"date": "2017-03-08", "qty": 12}, {"date": "2017-03-09", "qty": 14}, {"date": "2017-03-10", "qty": 12}, {"date": "2017-03-11", "qty": 13}, {"date": "2017-03-12", "qty": 13}, {"date": "2017-03-13", "qty": 10}, {"date": "2017-03-14", "qty": 15}, {"date": "2017-03-15", "qty": 17}, {"date": "2017-03-16", "qty": 19}, {"date": "2017-03-17", "qty": 13}, {"date": "2017-03-18", "qty": 12}, {"date": "2017-03-19", "qty": 12}, {"date": "2017-03-20", "qty": 11}, {"date": "2017-03-21", "qty": 12}, {"date": "2017-03-22", "qty": 14}, {"date": "2017-09-09", "qty": 3}, {"date": "2017-09-10", "qty": 3}, {"date": "2018-08-21", "qty": 4}, {"date": "2018-08-22", "qty": 3}, {"date": "2021-01-25", "qty": 3}, {"date": "2021-02-09", "qty": 3}, {"date": "2021-09-29", "qty": 3}, {"date": "2021-11-03", "qty": 3}]