Year Percent Change 2010-01-01 3.0835 2011-01-01 3.1412 2012-01-01 1.7455 2013-01-01 2.4750 2014-01-01 2.8557 2015-01-01 1.0009 2016-01-01 1.4141 2017-01-01 3.0007 2018-01-01 2.0787 2019-01-01 2.0367 2020-01-01 1.8186 2021-01-01 1.7874 2022-01-01 1.6373 2023-01-01 1.6000