График частотности: диалогу

[{"date": "2011-01-05", "qty": 3}, {"date": "2011-01-28", "qty": 3}, {"date": "2012-02-07", "qty": 3}, {"date": "2014-06-22", "qty": 7}, {"date": "2017-10-19", "qty": 3}, {"date": "2019-02-27", "qty": 10}, {"date": "2019-11-28", "qty": 9}, {"date": "2021-12-31", "qty": 4}, {"date": "2022-09-05", "qty": 3}, {"date": "2023-06-02", "qty": 3}, {"date": "2023-06-17", "qty": 3}, {"date": "2024-07-19", "qty": 3}, {"date": "2024-07-27", "qty": 3}, {"date": "2024-10-11", "qty": 3}, {"date": "2024-10-19", "qty": 3}, {"date": "2024-11-08", "qty": 3}, {"date": "2024-11-15", "qty": 3}, {"date": "2025-01-01", "qty": 10}, {"date": "2025-02-03", "qty": 3}, {"date": "2025-02-04", "qty": 3}, {"date": "2025-02-05", "qty": 3}, {"date": "2025-04-16", "qty": 6}, {"date": "2025-04-23", "qty": 3}, {"date": "2025-05-18", "qty": 3}, {"date": "2026-07-15", "qty": 6}]