Year Percent Change 2015-01-01 2.0938 2016-01-01 4.4692 2017-01-01 7.2144 2018-01-01 4.3687 2019-01-01 4.4873 2020-01-01 3.9568 2021-01-01 3.9430 2022-01-01 3.9384 2023-01-01 3.9138