График частотности: бин

[{"date": "2011-05-23", "qty": 7}, {"date": "2011-05-24", "qty": 4}, {"date": "2011-05-25", "qty": 5}, {"date": "2011-05-29", "qty": 7}, {"date": "2011-06-02", "qty": 4}, {"date": "2011-06-03", "qty": 5}, {"date": "2011-06-04", "qty": 5}, {"date": "2011-06-05", "qty": 4}, {"date": "2011-06-06", "qty": 4}, {"date": "2011-06-07", "qty": 3}, {"date": "2011-06-08", "qty": 3}, {"date": "2011-06-09", "qty": 3}, {"date": "2011-06-10", "qty": 3}, {"date": "2011-06-11", "qty": 3}, {"date": "2011-06-12", "qty": 7}, {"date": "2011-06-13", "qty": 4}, {"date": "2011-06-14", "qty": 3}, {"date": "2011-06-15", "qty": 3}, {"date": "2011-06-16", "qty": 3}, {"date": "2011-06-24", "qty": 3}, {"date": "2011-08-05", "qty": 5}, {"date": "2011-08-06", "qty": 5}, {"date": "2011-08-07", "qty": 4}, {"date": "2011-10-07", "qty": 4}, {"date": "2012-03-29", "qty": 3}, {"date": "2013-03-05", "qty": 4}, {"date": "2015-11-06", "qty": 3}, {"date": "2015-11-07", "qty": 3}, {"date": "2015-11-08", "qty": 3}, {"date": "2026-01-25", "qty": 4}]