График частотности: теплоход

[{"date": "2011-07-10", "qty": 13}, {"date": "2011-07-11", "qty": 9}, {"date": "2011-07-12", "qty": 4}, {"date": "2011-07-13", "qty": 5}, {"date": "2011-07-14", "qty": 6}, {"date": "2011-07-15", "qty": 11}, {"date": "2011-07-16", "qty": 11}, {"date": "2011-07-17", "qty": 8}, {"date": "2011-07-18", "qty": 3}, {"date": "2011-07-20", "qty": 10}, {"date": "2011-07-21", "qty": 10}, {"date": "2011-07-22", "qty": 4}, {"date": "2011-07-23", "qty": 3}, {"date": "2011-07-24", "qty": 4}, {"date": "2011-07-25", "qty": 3}, {"date": "2011-11-14", "qty": 7}, {"date": "2012-01-29", "qty": 3}, {"date": "2012-05-13", "qty": 3}, {"date": "2012-08-04", "qty": 3}, {"date": "2013-08-18", "qty": 7}, {"date": "2013-08-19", "qty": 4}, {"date": "2013-08-31", "qty": 6}, {"date": "2013-09-07", "qty": 3}, {"date": "2016-02-04", "qty": 3}, {"date": "2017-06-26", "qty": 8}, {"date": "2020-06-23", "qty": 3}, {"date": "2024-05-01", "qty": 3}, {"date": "2024-08-02", "qty": 4}, {"date": "2025-05-17", "qty": 3}, {"date": "2025-09-07", "qty": 4}]