График частотности: тайна

[{"date": "2015-07-15", "qty": 3}, {"date": "2015-09-03", "qty": 3}, {"date": "2015-12-06", "qty": 7}, {"date": "2017-07-06", "qty": 3}, {"date": "2017-10-12", "qty": 3}, {"date": "2018-03-25", "qty": 4}, {"date": "2018-11-11", "qty": 3}, {"date": "2019-02-24", "qty": 3}, {"date": "2019-04-12", "qty": 4}, {"date": "2019-05-11", "qty": 3}, {"date": "2019-05-15", "qty": 4}, {"date": "2019-05-21", "qty": 3}, {"date": "2019-07-26", "qty": 4}, {"date": "2019-08-20", "qty": 3}, {"date": "2020-06-02", "qty": 4}, {"date": "2020-06-26", "qty": 3}, {"date": "2020-08-16", "qty": 3}, {"date": "2020-09-29", "qty": 3}, {"date": "2025-09-30", "qty": 3}, {"date": "2025-10-01", "qty": 3}, {"date": "2025-10-02", "qty": 3}, {"date": "2025-10-03", "qty": 3}, {"date": "2025-10-04", "qty": 3}, {"date": "2025-10-05", "qty": 3}, {"date": "2026-07-28", "qty": 1}]