Year Percent Change 2000-01-01 5.0961 2001-01-01 5.5584 2002-01-01 2.1760 2003-01-01 5.4905 2004-01-01 6.4103 2005-01-01 3.7313 2006-01-01 6.0393 2007-01-01 5.6760 2008-01-01 4.8556 2009-01-01 3.1972 2010-01-01 2.4436 2011-01-01 -1.2717 2012-01-01 4.0808 2013-01-01 2.6735 2014-01-01 2.4130 2015-01-01 1.1221 2016-01-01 0.9602 2017-01-01 1.8777 2018-01-01 2.3877 2019-01-01 2.8979