Year Percent Change 2000-01-01 6.2271 2001-01-01 6.4855 2002-01-01 9.4389 2003-01-01 10.2083 2004-01-01 9.2538 2005-01-01 27.9615 2006-01-01 34.4662 2007-01-01 25.4632 2008-01-01 10.5914 2009-01-01 9.3695 2010-01-01 4.6206 2011-01-01 -1.6133 2012-01-01 2.1013 2013-01-01 5.8651 2014-01-01 2.6567 2015-01-01 0.6483 2016-01-01 -3.1000 2017-01-01 0.0678 2018-01-01 2.0268 2019-01-01 3.8614