Year Percent 2003 -3.8972 2004 0.80309 2005 0.40322 2006 0.21397 2007 1.5651 2008 12.56801 2009 2.66241 2010 -0.86849 2011 -0.61535 2012 1.90777 2013 1.67554 2014 4.12014 2015 6.39914 2016 3.5091