График частотности: нигерии

[{"date": "2013-03-10", "qty": 4}, {"date": "2013-04-29", "qty": 3}, {"date": "2013-06-18", "qty": 11}, {"date": "2013-06-28", "qty": 3}, {"date": "2013-07-06", "qty": 3}, {"date": "2013-12-24", "qty": 3}, {"date": "2014-06-25", "qty": 7}, {"date": "2014-06-28", "qty": 10}, {"date": "2014-08-08", "qty": 3}, {"date": "2014-08-10", "qty": 3}, {"date": "2014-08-20", "qty": 4}, {"date": "2014-10-18", "qty": 7}, {"date": "2014-10-20", "qty": 3}, {"date": "2014-11-03", "qty": 3}, {"date": "2014-12-07", "qty": 16}, {"date": "2015-02-04", "qty": 3}, {"date": "2015-02-15", "qty": 3}, {"date": "2015-03-02", "qty": 3}, {"date": "2015-03-08", "qty": 4}, {"date": "2015-04-13", "qty": 3}, {"date": "2015-08-30", "qty": 3}, {"date": "2015-11-27", "qty": 3}, {"date": "2019-01-03", "qty": 3}, {"date": "2020-01-07", "qty": 3}, {"date": "2021-02-21", "qty": 5}, {"date": "2023-10-29", "qty": 4}, {"date": "2025-08-10", "qty": 3}, {"date": "2025-11-30", "qty": 3}, {"date": "2025-12-07", "qty": 4}, {"date": "2025-12-24", "qty": 4}]