Year Percent Change 2001-01-01 -3.6132 2002-01-01 -0.3728 2003-01-01 -1.5508 2004-01-01 4.4110 2005-01-01 9.3238 2006-01-01 1.6237 2007-01-01 7.5887 2008-01-01 13.1625 2009-01-01 14.3049 2010-01-01 8.0273 2011-01-01 10.1822 2012-01-01 13.1219 2013-01-01 11.5527 2014-01-01 9.0510 2015-01-01 7.0056 2016-01-01 4.4112 2017-01-01 5.0897