Year Percent 2002 -0.09393 2003 0.34479 2004 -0.31165 2005 -0.74826 2006 3.42061 2007 0.82239 2008 1.06901 2009 0.00805 2010 1.84781 2011 -0.15593 2012 0.60741 2013 0.77307 2014 0.3787