Year Percent Change 2015-01-01 3.0202 2016-01-01 3.2827 2017-01-01 3.9030 2018-01-01 3.8680 2019-01-01 3.7796 2020-01-01 3.6489 2021-01-01 3.6409 2022-01-01 3.5490 2023-01-01 3.5257