Year Percent Change 2000-01-01 10.2074 2001-01-01 5.7785 2002-01-01 6.6503 2003-01-01 11.6304 2004-01-01 12.2667 2005-01-01 17.7237 2006-01-01 14.1937 2007-01-01 10.3446 2008-01-01 16.3682 2009-01-01 10.1912 2010-01-01 11.7495 2011-01-01 8.1882 2012-01-01 3.4342 2013-01-01 9.6946 2014-01-01 6.9126 2015-01-01 8.0981 2016-01-01 3.9861 2017-01-01 4.3915 2018-01-01 5.1035 2019-01-01 4.2675