OpenStreetMap GIS data on Guinea, Liberia, and Sierra Leone

[{"date": "2018-12-31", "value": 0}, {"date": "2019-01-07", "value": 13}, {"date": "2019-01-14", "value": 8}, {"date": "2019-01-21", "value": 6}, {"date": "2019-01-28", "value": 8}, {"date": "2019-02-04", "value": 8}, {"date": "2019-02-11", "value": 10}, {"date": "2019-02-18", "value": 12}, {"date": "2019-02-25", "value": 8}, {"date": "2019-03-04", "value": 4}, {"date": "2019-03-11", "value": 5}, {"date": "2019-03-18", "value": 13}, {"date": "2019-03-25", "value": 10}, {"date": "2019-04-01", "value": 6}, {"date": "2019-04-08", "value": 4}, {"date": "2019-04-15", "value": 10}, {"date": "2019-04-22", "value": 11}, {"date": "2019-04-29", "value": 10}, {"date": "2019-05-06", "value": 4}, {"date": "2019-05-13", "value": 4}, {"date": "2019-05-20", "value": 6}, {"date": "2019-05-27", "value": 4}, {"date": "2019-06-03", "value": 16}, {"date": "2019-06-10", "value": 10}, {"date": "2019-06-17", "value": 2}]