График частотности: олимпиаду

[{"date": "2014-02-07", "qty": 4}, {"date": "2014-02-10", "qty": 3}, {"date": "2014-02-15", "qty": 3}, {"date": "2014-02-19", "qty": 3}, {"date": "2014-02-20", "qty": 6}, {"date": "2014-02-23", "qty": 7}, {"date": "2014-02-24", "qty": 3}, {"date": "2015-12-10", "qty": 3}, {"date": "2016-07-24", "qty": 3}, {"date": "2016-07-26", "qty": 3}, {"date": "2016-07-27", "qty": 3}, {"date": "2016-07-28", "qty": 3}, {"date": "2016-07-31", "qty": 3}, {"date": "2016-08-01", "qty": 3}, {"date": "2017-04-04", "qty": 9}, {"date": "2017-11-17", "qty": 3}, {"date": "2017-12-06", "qty": 5}, {"date": "2017-12-12", "qty": 6}, {"date": "2017-12-13", "qty": 5}, {"date": "2018-01-23", "qty": 3}, {"date": "2018-01-25", "qty": 10}, {"date": "2018-01-26", "qty": 4}, {"date": "2018-01-30", "qty": 3}, {"date": "2018-02-03", "qty": 3}, {"date": "2018-02-04", "qty": 3}, {"date": "2018-02-05", "qty": 12}, {"date": "2018-02-25", "qty": 6}, {"date": "2024-04-12", "qty": 3}, {"date": "2024-07-24", "qty": 3}, {"date": "2026-02-05", "qty": 3}]