График частотности: друзей

[{"date": "2018-12-23", "qty": 3}, {"date": "2019-09-05", "qty": 3}, {"date": "2020-07-02", "qty": 3}, {"date": "2021-01-10", "qty": 3}, {"date": "2021-02-15", "qty": 5}, {"date": "2022-06-17", "qty": 4}, {"date": "2022-06-18", "qty": 4}, {"date": "2023-07-13", "qty": 3}, {"date": "2023-11-13", "qty": 3}, {"date": "2023-12-11", "qty": 17}, {"date": "2023-12-12", "qty": 16}, {"date": "2024-01-27", "qty": 3}, {"date": "2024-01-28", "qty": 3}, {"date": "2024-07-03", "qty": 3}, {"date": "2024-07-04", "qty": 3}, {"date": "2024-07-05", "qty": 3}, {"date": "2024-07-18", "qty": 3}, {"date": "2024-08-07", "qty": 3}, {"date": "2024-08-28", "qty": 3}, {"date": "2024-08-29", "qty": 3}, {"date": "2024-09-03", "qty": 3}, {"date": "2024-09-27", "qty": 9}, {"date": "2024-09-29", "qty": 3}, {"date": "2025-03-30", "qty": 4}, {"date": "2025-05-15", "qty": 6}, {"date": "2025-07-22", "qty": 3}, {"date": "2025-10-26", "qty": 3}, {"date": "2025-11-13", "qty": 3}, {"date": "2025-11-14", "qty": 6}, {"date": "2025-11-15", "qty": 3}]