График частотности: Мавроди

[{"date": "2011-04-24", "qty": 3}, {"date": "2011-05-12", "qty": 3}, {"date": "2011-05-24", "qty": 3}, {"date": "2012-03-14", "qty": 11}, {"date": "2012-03-22", "qty": 13}, {"date": "2012-03-26", "qty": 3}, {"date": "2012-03-28", "qty": 8}, {"date": "2012-03-30", "qty": 9}, {"date": "2012-03-31", "qty": 6}, {"date": "2012-04-01", "qty": 6}, {"date": "2012-04-03", "qty": 4}, {"date": "2012-04-10", "qty": 3}, {"date": "2012-05-17", "qty": 4}, {"date": "2012-05-24", "qty": 4}, {"date": "2012-05-25", "qty": 6}, {"date": "2012-05-31", "qty": 9}, {"date": "2012-06-07", "qty": 4}, {"date": "2012-06-16", "qty": 14}, {"date": "2012-07-12", "qty": 3}, {"date": "2012-08-02", "qty": 3}, {"date": "2012-09-06", "qty": 4}, {"date": "2012-09-07", "qty": 4}, {"date": "2012-09-17", "qty": 4}, {"date": "2012-10-17", "qty": 4}, {"date": "2012-10-18", "qty": 3}, {"date": "2012-10-29", "qty": 4}, {"date": "2012-10-30", "qty": 4}, {"date": "2015-02-02", "qty": 3}, {"date": "2018-03-26", "qty": 8}, {"date": "2018-03-30", "qty": 3}]