Year Percent Change 2015-01-01 7.0644 2016-01-01 5.8758 2017-01-01 6.7285 2018-01-01 6.8961 2019-01-01 7.0478 2020-01-01 7.1743 2021-01-01 7.2699 2022-01-01 7.3704 2023-01-01 7.5073