Year Percent Change 2010-01-01 6.2383 2011-01-01 7.7600 2012-01-01 3.9068 2013-01-01 3.8760 2014-01-01 1.5820 2015-01-01 2.3445 2016-01-01 1.6953 2017-01-01 4.2043 2018-01-01 3.6616 2019-01-01 3.7691 2020-01-01 3.9684 2021-01-01 3.9884 2022-01-01 3.9575 2023-01-01 3.9276