Year Percent Change 2015-01-01 7.9609 2016-01-01 2.4046 2017-01-01 2.4674 2018-01-01 2.9287 2019-01-01 2.6409 2020-01-01 2.9076 2021-01-01 3.2475 2022-01-01 3.3046 2023-01-01 3.2806