Year Percent Change 2015-01-01 1.2249 2016-01-01 3.0245 2017-01-01 2.9062 2018-01-01 3.2517 2019-01-01 3.2499 2020-01-01 3.1595 2021-01-01 3.0543 2022-01-01 3.0000 2023-01-01 3.0000