График частотности: brexit

[{"date": "2017-12-10", "qty": 7}, {"date": "2018-01-11", "qty": 3}, {"date": "2018-06-29", "qty": 3}, {"date": "2018-07-08", "qty": 3}, {"date": "2018-10-14", "qty": 3}, {"date": "2018-10-18", "qty": 3}, {"date": "2018-12-10", "qty": 3}, {"date": "2019-02-27", "qty": 3}, {"date": "2019-03-14", "qty": 3}, {"date": "2019-03-20", "qty": 3}, {"date": "2019-03-29", "qty": 4}, {"date": "2019-04-02", "qty": 3}, {"date": "2019-05-28", "qty": 4}, {"date": "2019-09-09", "qty": 3}, {"date": "2019-10-17", "qty": 11}, {"date": "2019-10-19", "qty": 4}, {"date": "2019-10-20", "qty": 5}, {"date": "2019-10-28", "qty": 3}, {"date": "2019-11-06", "qty": 3}, {"date": "2019-12-11", "qty": 3}, {"date": "2019-12-16", "qty": 4}, {"date": "2019-12-26", "qty": 3}, {"date": "2020-01-10", "qty": 3}, {"date": "2020-01-18", "qty": 3}, {"date": "2020-02-01", "qty": 12}, {"date": "2020-02-10", "qty": 3}, {"date": "2020-02-23", "qty": 3}, {"date": "2020-07-02", "qty": 6}, {"date": "2020-12-23", "qty": 4}, {"date": "2022-08-08", "qty": 9}]