Year Percent Change 2000-01-01 13.3306 2001-01-01 8.3751 2002-01-01 5.8541 2003-01-01 6.4518 2004-01-01 6.8863 2005-01-01 7.5409 2006-01-01 8.5747 2007-01-01 10.7833 2008-01-01 17.1488 2009-01-01 7.2961 2010-01-01 7.1257 2011-01-01 8.3289 2012-01-01 5.1185 2013-01-01 5.8296 2014-01-01 6.7191 2015-01-01 6.6557 2016-01-01 14.5524 2017-01-01 7.4296 2018-01-01 6.4110 2019-01-01 5.5715