Year Percent Change 2015-01-01 5.5874 2016-01-01 7.9681 2017-01-01 -1.8553 2018-01-01 4.6472 2019-01-01 5.9322 2020-01-01 3.9101 2021-01-01 4.9928 2022-01-01 4.3608 2023-01-01 3.6086