[{"date": "2016-01-01", "value": 2.85}, {"date": "2017-01-01", "value": 2.96}, {"date": "2018-01-01", "value": 2.84}, {"date": "2019-01-01", "value": 2.38}, {"date": "2020-01-01", "value": 2.5}, {"date": "2021-01-01", "value": 2.2}, {"date": "2022-01-01", "value": 2.7}]