Green area per capita (square meters per capita)

[{"date": "2018-12-10", "value": 28}, {"date": "2018-12-17", "value": 12}, {"date": "2018-12-24", "value": 12}, {"date": "2018-12-31", "value": 15}, {"date": "2019-01-07", "value": 22}, {"date": "2019-01-14", "value": 19}, {"date": "2019-01-21", "value": 33}, {"date": "2019-01-28", "value": 16}, {"date": "2019-02-04", "value": 19}, {"date": "2019-02-11", "value": 26}, {"date": "2019-02-18", "value": 27}, {"date": "2019-02-25", "value": 31}, {"date": "2019-03-04", "value": 34}, {"date": "2019-03-11", "value": 39}, {"date": "2019-03-18", "value": 22}, {"date": "2019-03-25", "value": 22}, {"date": "2019-04-01", "value": 25}, {"date": "2019-04-08", "value": 25}, {"date": "2019-04-15", "value": 29}, {"date": "2019-04-22", "value": 23}, {"date": "2019-04-29", "value": 26}, {"date": "2019-05-06", "value": 17}, {"date": "2019-05-13", "value": 22}, {"date": "2019-05-20", "value": 26}, {"date": "2019-05-27", "value": 4}]