Year Percent Change 2015-01-01 3.2245 2016-01-01 4.7060 2017-01-01 4.0018 2018-01-01 5.0825 2019-01-01 3.4299 2020-01-01 3.1310 2021-01-01 3.0243 2022-01-01 2.7229 2023-01-01 2.5550