Year Percent Change 2015-01-01 6.3631 2016-01-01 3.5258 2017-01-01 3.8088 2018-01-01 3.5262 2019-01-01 3.3970 2020-01-01 3.5525 2021-01-01 3.3795 2022-01-01 3.1291 2023-01-01 3.0038