График частотности: инженер

[{"date": "2014-03-28", "qty": 3}, {"date": "2014-03-29", "qty": 3}, {"date": "2014-03-30", "qty": 3}, {"date": "2014-06-03", "qty": 3}, {"date": "2015-01-14", "qty": 3}, {"date": "2016-02-27", "qty": 3}, {"date": "2016-07-11", "qty": 3}, {"date": "2017-04-04", "qty": 5}, {"date": "2017-04-05", "qty": 3}, {"date": "2017-04-21", "qty": 3}, {"date": "2017-04-28", "qty": 4}, {"date": "2017-04-29", "qty": 4}, {"date": "2017-04-30", "qty": 4}, {"date": "2018-04-27", "qty": 3}, {"date": "2018-05-01", "qty": 3}, {"date": "2018-05-02", "qty": 3}, {"date": "2019-07-05", "qty": 3}, {"date": "2024-02-11", "qty": 3}, {"date": "2024-04-01", "qty": 3}, {"date": "2024-04-04", "qty": 3}, {"date": "2024-04-15", "qty": 3}, {"date": "2025-01-01", "qty": 3}, {"date": "2026-07-15", "qty": 6}, {"date": "2026-08-04", "qty": 4}, {"date": "2026-08-20", "qty": 4}]