Year Percent Change 2000-01-01 4.4345 2001-01-01 6.5962 2002-01-01 14.7569 2003-01-01 6.8935 2004-01-01 18.8347 2005-01-01 11.6366 2006-01-01 19.3230 2007-01-01 19.6112 2008-01-01 17.6469 2009-01-01 10.7433 2010-01-01 4.9978 2011-01-01 13.2542 2012-01-01 13.9095 2013-01-01 10.8622 2014-01-01 11.9216 2015-01-01 2.5409 2016-01-01 0.7925 2017-01-01 0.2117 2018-01-01 2.6964 2019-01-01 2.9711