Year Percent Change 2015-01-01 1.5707 2016-01-01 2.7886 2017-01-01 6.5936 2018-01-01 3.9932 2019-01-01 4.4670 2020-01-01 4.0240 2021-01-01 3.3677 2022-01-01 3.3714 2023-01-01 3.2272