Year annual % 2005 12.6862687216715 2006 6.78459655001657 2007 8.68057078513405 2008 26.4186641547445 2009 -6.81116108898993 2010 2.17853752389414 2011 11.8041858089129 2012 6.44121280934117 2013 7.38577178397855 2014 4.67399603536305 2015 -0.66170916471352 2016 4.38389195513893 2017 4.97595150553892 2018 0.626149149168983 2019 2.30237251516819