Year % 2005 7.033614900043236 2006 9.377997421196739 2007 -1.1685970528580147 2008 -6.89817090377766 2009 9.152822260555995 2010 -0.09664229297540683 2011 -2.947827741377033 2012 5.067767330441557 2013 6.27830633988671 2014 3.9890161905151422 2015 -8.178068292754649 2016 2.3864788950962237 2017 -4.761146384583007