Year Percent Change 2015-01-01 9.1429 2016-01-01 3.0350 2017-01-01 3.2416 2018-01-01 3.4994 2019-01-01 3.1135 2020-01-01 2.9524 2021-01-01 2.7094 2022-01-01 2.4585 2023-01-01 1.9902