Year Percent Change 2015-01-01 6.3357 2016-01-01 3.9176 2017-01-01 3.4320 2018-01-01 4.1156 2019-01-01 4.6137 2020-01-01 4.6196 2021-01-01 4.7165 2022-01-01 4.7434 2023-01-01 4.6887