Old age dependency ratio

[{"date": "2024-07-29", "value": 0}, {"date": "2024-08-05", "value": 0}, {"date": "2024-08-12", "value": 0}, {"date": "2024-08-19", "value": 0}, {"date": "2024-08-26", "value": 0}, {"value": 2, "date": "2024-09-02"}, {"date": "2024-09-09", "value": 0}, {"date": "2024-09-16", "value": 0}, {"date": "2024-09-23", "value": 0}, {"date": "2024-09-30", "value": 0}, {"date": "2024-10-07", "value": 0}, {"date": "2024-10-14", "value": 0}, {"value": 1, "date": "2024-10-21"}, {"date": "2024-10-28", "value": 0}, {"date": "2024-11-04", "value": 0}, {"date": "2024-11-11", "value": 0}, {"date": "2024-11-18", "value": 0}, {"date": "2024-11-25", "value": 0}, {"date": "2024-12-02", "value": 0}, {"date": "2024-12-09", "value": 0}, {"date": "2024-12-16", "value": 0}, {"date": "2024-12-23", "value": 0}, {"date": "2024-12-30", "value": 0}, {"value": 1, "date": "2025-01-06"}, {"date": "2025-01-13", "value": 0}]