График частотности: сэнди

[{"date": "2012-10-27", "qty": 4}, {"date": "2012-10-28", "qty": 13}, {"date": "2012-10-29", "qty": 23}, {"date": "2012-10-30", "qty": 43}, {"date": "2012-10-31", "qty": 32}, {"date": "2012-11-01", "qty": 25}, {"date": "2012-11-02", "qty": 10}, {"date": "2012-11-03", "qty": 18}, {"date": "2012-11-04", "qty": 13}, {"date": "2012-11-05", "qty": 12}, {"date": "2012-11-06", "qty": 6}, {"date": "2012-11-08", "qty": 6}, {"date": "2012-11-24", "qty": 5}, {"date": "2012-11-25", "qty": 5}, {"date": "2012-11-26", "qty": 5}, {"date": "2012-11-27", "qty": 4}, {"date": "2012-12-08", "qty": 3}, {"date": "2012-12-15", "qty": 6}, {"date": "2012-12-16", "qty": 4}, {"date": "2012-12-18", "qty": 3}, {"date": "2012-12-21", "qty": 3}, {"date": "2012-12-22", "qty": 3}, {"date": "2012-12-23", "qty": 3}, {"date": "2012-12-26", "qty": 3}, {"date": "2013-01-02", "qty": 5}, {"date": "2013-01-04", "qty": 3}, {"date": "2013-01-05", "qty": 3}, {"date": "2013-01-06", "qty": 3}, {"date": "2013-01-07", "qty": 3}]