Year Percent Change 2000-01-01 5.3833 2001-01-01 3.5241 2002-01-01 3.1855 2003-01-01 3.1935 2004-01-01 4.0921 2005-01-01 4.4717 2006-01-01 6.8438 2007-01-01 7.0878 2008-01-01 7.1563 2009-01-01 4.6736 2010-01-01 5.1472 2011-01-01 1.7646 2012-01-01 2.2262 2013-01-01 3.3019 2014-01-01 2.9159 2015-01-01 4.3720 2016-01-01 4.2977 2017-01-01 4.2301 2018-01-01 5.2313 2019-01-01 5.5045