Year Percent Change 2010-01-01 5.8432 2011-01-01 6.1477 2012-01-01 5.3393 2013-01-01 4.0600 2014-01-01 1.7650 2015-01-01 2.2985 2016-01-01 1.2733 2017-01-01 1.4652 2018-01-01 3.3593 2019-01-01 3.2742 2020-01-01 3.2118 2021-01-01 3.0738 2022-01-01 3.0064 2023-01-01 2.9759