[ { "date": "2020-01-01", "value": 57.52 }, { "date": "2020-02-01", "value": 50.54 }, { "date": "2020-03-01", "value": 29.21 }, { "date": "2020-04-01", "value": 16.55 }, { "date": "2020-05-01", "value": 28.56 }, { "date": "2020-06-01", "value": 38.31 }, { "date": "2020-07-01", "value": 40.71 }, { "date": "2020-08-01", "value": 42.34 }, { "date": "2020-09-01", "value": 39.63 }, { "date": "2020-10-01", "value": 39.40 }, { "date": "2020-11-01", "value": 40.94 }, { "date": "2020-12-01", "value": 47.02 } ]