Year Percent Change 2015-01-01 1.4094 2016-01-01 1.7843 2017-01-01 3.1763 2018-01-01 4.1705 2019-01-01 3.8269 2020-01-01 3.3410 2021-01-01 3.0912 2022-01-01 3.0000 2023-01-01 3.0000