Year Percent Change 2010-01-01 10.9231 2011-01-01 9.5084 2012-01-01 10.8425 2013-01-01 10.9456 2014-01-01 23.9151 2017-01-01 24.7956 2018-01-01 19.2185 2019-01-01 13.5510 2020-01-01 11.5000 2021-01-01 9.8000 2022-01-01 8.7000 2023-01-01 7.4000