График частотности: удальцов

[{"date": "2012-08-12", "qty": 3}, {"date": "2012-09-04", "qty": 3}, {"date": "2012-09-11", "qty": 4}, {"date": "2012-09-13", "qty": 3}, {"date": "2012-09-15", "qty": 8}, {"date": "2012-09-17", "qty": 3}, {"date": "2012-09-19", "qty": 4}, {"date": "2012-10-05", "qty": 4}, {"date": "2012-10-06", "qty": 3}, {"date": "2012-10-08", "qty": 5}, {"date": "2012-10-09", "qty": 3}, {"date": "2012-10-11", "qty": 9}, {"date": "2012-10-17", "qty": 16}, {"date": "2012-10-18", "qty": 4}, {"date": "2012-10-19", "qty": 4}, {"date": "2012-10-21", "qty": 4}, {"date": "2012-10-26", "qty": 3}, {"date": "2012-11-03", "qty": 7}, {"date": "2012-12-04", "qty": 3}, {"date": "2012-12-07", "qty": 3}, {"date": "2012-12-11", "qty": 6}, {"date": "2012-12-15", "qty": 4}, {"date": "2012-12-16", "qty": 10}, {"date": "2013-01-13", "qty": 6}, {"date": "2013-02-06", "qty": 4}, {"date": "2013-02-09", "qty": 8}, {"date": "2013-02-12", "qty": 4}, {"date": "2015-10-10", "qty": 7}, {"date": "2017-08-10", "qty": 3}, {"date": "2025-12-25", "qty": 3}]