Year Percent Change 2015-01-01 4.8763 2016-01-01 5.0333 2017-01-01 5.0677 2018-01-01 5.2996 2019-01-01 5.4998 2020-01-01 5.6000 2021-01-01 5.6000 2022-01-01 5.6000 2023-01-01 5.6000