Year Percent 2001 11.40093 2002 1.8052 2003 -2.17058 2004 -3.83653 2005 -3.20946 2006 3.52884 2007 1.25737 2008 7.11899 2009 1.42053 2010 4.69315 2011 4.2695 2012 2.21069 2013 1.81571 2014 3.26383 2015 0.19742 2016 0.4571 2017 -0.25115