Year Percent Change 2010-01-01 3.3245 2011-01-01 5.4129 2012-01-01 4.1653 2013-01-01 2.6976 2014-01-01 3.6671 2015-01-01 3.3883 2016-01-01 1.1148 2017-01-01 -0.1996 2018-01-01 2.5493 2019-01-01 1.4371 2020-01-01 1.5829 2021-01-01 1.6501 2022-01-01 1.6857 2023-01-01 1.7669