График частотности: петросян

[{"date": "2011-12-13", "qty": 3}, {"date": "2016-08-24", "qty": 4}, {"date": "2017-09-18", "qty": 3}, {"date": "2018-08-04", "qty": 8}, {"date": "2018-08-06", "qty": 3}, {"date": "2018-08-11", "qty": 3}, {"date": "2018-08-13", "qty": 3}, {"date": "2018-09-03", "qty": 3}, {"date": "2018-10-25", "qty": 3}, {"date": "2018-11-17", "qty": 3}, {"date": "2018-12-15", "qty": 5}, {"date": "2020-03-12", "qty": 3}, {"date": "2020-07-06", "qty": 3}, {"date": "2020-08-29", "qty": 3}, {"date": "2020-10-27", "qty": 3}, {"date": "2020-11-06", "qty": 3}, {"date": "2020-12-09", "qty": 3}, {"date": "2023-12-23", "qty": 4}, {"date": "2025-03-17", "qty": 7}, {"date": "2025-11-27", "qty": 3}, {"date": "2026-02-17", "qty": 9}, {"date": "2026-02-22", "qty": 3}, {"date": "2026-07-20", "qty": 4}]