Year Percent Change 2010-01-01 6.4850 2011-01-01 5.6046 2012-01-01 5.4380 2013-01-01 4.9167 2014-01-01 5.8201 2015-01-01 2.3571 2016-01-01 3.3147 2017-01-01 4.7281 2018-01-01 4.9838 2019-01-01 4.5000 2020-01-01 4.5000 2021-01-01 4.5000 2022-01-01 4.5000 2023-01-01 4.5000