Year Percent Change 2010-01-01 3.3135 2011-01-01 2.1055 2012-01-01 3.7486 2013-01-01 0.6879 2014-01-01 4.0453 2015-01-01 3.7950 2016-01-01 -0.4872 2017-01-01 0.7549 2018-01-01 1.8000 2019-01-01 2.0056 2020-01-01 1.7000 2021-01-01 1.7000 2022-01-01 1.7000 2023-01-01 1.7391