График частотности: shell

[{"date": "2011-05-20", "qty": 3}, {"date": "2011-05-21", "qty": 3}, {"date": "2011-05-22", "qty": 3}, {"date": "2011-06-13", "qty": 7}, {"date": "2011-08-14", "qty": 3}, {"date": "2011-12-02", "qty": 3}, {"date": "2011-12-03", "qty": 3}, {"date": "2011-12-04", "qty": 3}, {"date": "2013-01-24", "qty": 3}, {"date": "2013-04-09", "qty": 4}, {"date": "2014-04-18", "qty": 3}, {"date": "2014-04-19", "qty": 3}, {"date": "2014-04-20", "qty": 3}, {"date": "2014-07-04", "qty": 3}, {"date": "2014-07-05", "qty": 3}, {"date": "2014-07-05", "qty": 3}, {"date": "2015-06-15", "qty": 3}, {"date": "2016-02-15", "qty": 3}, {"date": "2016-04-22", "qty": 3}, {"date": "2016-04-23", "qty": 3}, {"date": "2016-04-24", "qty": 3}, {"date": "2019-04-10", "qty": 6}, {"date": "2019-06-24", "qty": 3}, {"date": "2019-06-25", "qty": 3}, {"date": "2020-01-18", "qty": 3}, {"date": "2021-06-09", "qty": 3}, {"date": "2022-09-01", "qty": 3}, {"date": "2025-04-28", "qty": 5}]