Year	Percent Change
2015-01-01	7.1972
2016-01-01	7.0420
2017-01-01	6.9469
2018-01-01	6.8980
2019-01-01	6.7854
2020-01-01	6.4654
2021-01-01	6.2696
2022-01-01	6.0231
2023-01-01	6.0083