Year Percent Change 2015-01-01 3.8374 2016-01-01 3.2592 2017-01-01 6.6164 2018-01-01 8.3215 2019-01-01 5.5653 2020-01-01 4.4787 2021-01-01 4.4493 2022-01-01 4.0981 2023-01-01 3.7974