График частотности: сухогруза

[{"date": "2012-10-30", "qty": 3}, {"date": "2012-11-06", "qty": 3}, {"date": "2012-11-26", "qty": 3}, {"date": "2012-12-04", "qty": 3}, {"date": "2016-01-04", "qty": 3}, {"date": "2016-03-23", "qty": 8}, {"date": "2017-04-19", "qty": 8}, {"date": "2017-04-20", "qty": 5}, {"date": "2017-07-29", "qty": 6}, {"date": "2017-07-30", "qty": 5}, {"date": "2017-07-31", "qty": 4}, {"date": "2018-11-04", "qty": 3}, {"date": "2019-01-07", "qty": 3}, {"date": "2021-01-17", "qty": 15}, {"date": "2025-01-28", "qty": 3}, {"date": "2025-03-30", "qty": 3}, {"date": "2025-07-28", "qty": 3}, {"date": "2026-04-05", "qty": 3}, {"date": "2026-07-12", "qty": 8}, {"date": "2026-07-13", "qty": 11}, {"date": "2026-07-14", "qty": 6}, {"date": "2026-07-17", "qty": 4}, {"date": "2026-07-18", "qty": 3}, {"date": "2026-07-20", "qty": 3}, {"date": "2026-07-21", "qty": 6}, {"date": "2026-07-22", "qty": 14}, {"date": "2026-07-23", "qty": 8}, {"date": "2026-07-24", "qty": 3}, {"date": "2026-07-25", "qty": 4}, {"date": "2026-07-26", "qty": 4}]