Year Percent Change 2010-01-01 1.1525 2011-01-01 1.1420 2012-01-01 1.2114 2013-01-01 1.1929 2014-01-01 1.2801 2015-01-01 1.3649 2016-01-01 1.4601 2017-01-01 1.5239 2018-01-01 1.6117 2019-01-01 1.6933 2020-01-01 1.7704 2021-01-01 1.8419 2022-01-01 1.9164 2023-01-01 1.9939