Year	Percent Change
2015-01-01	7.2696
2016-01-01	7.0231
2017-01-01	6.8300
2018-01-01	6.8100
2019-01-01	7.0168
2020-01-01	6.9989
2021-01-01	6.9100
2022-01-01	6.8264
2023-01-01	6.7984
