График частотности: бельгии

[{"date": "2018-01-15", "qty": 3}, {"date": "2018-06-28", "qty": 4}, {"date": "2018-07-14", "qty": 5}, {"date": "2018-09-13", "qty": 4}, {"date": "2020-02-22", "qty": 4}, {"date": "2020-05-30", "qty": 3}, {"date": "2020-12-27", "qty": 7}, {"date": "2023-06-06", "qty": 3}, {"date": "2024-03-06", "qty": 6}, {"date": "2024-03-29", "qty": 3}, {"date": "2024-04-16", "qty": 3}, {"date": "2024-04-26", "qty": 3}, {"date": "2024-07-16", "qty": 5}, {"date": "2024-11-30", "qty": 3}, {"date": "2025-01-30", "qty": 4}, {"date": "2025-06-25", "qty": 3}, {"date": "2025-09-05", "qty": 3}, {"date": "2025-09-07", "qty": 3}, {"date": "2025-10-24", "qty": 5}, {"date": "2025-10-25", "qty": 4}, {"date": "2025-10-26", "qty": 4}, {"date": "2025-10-28", "qty": 3}, {"date": "2025-11-08", "qty": 3}, {"date": "2025-12-10", "qty": 8}, {"date": "2025-12-12", "qty": 15}, {"date": "2026-01-07", "qty": 3}, {"date": "2026-02-07", "qty": 7}, {"date": "2026-03-14", "qty": 3}, {"date": "2026-05-25", "qty": 3}, {"date": "2026-06-03", "qty": 3}]