Year Percent Change 2010-01-01 5.9091 2011-01-01 6.5031 2012-01-01 5.8386 2013-01-01 5.9108 2014-01-01 6.4076 2015-01-01 10.6735 2016-01-01 6.2881 2017-01-01 2.9473 2018-01-01 3.9125 2019-01-01 4.3037 2020-01-01 4.0603 2021-01-01 4.0564 2022-01-01 4.1066 2023-01-01 4.0548