Year annual % 2006 0.300601202404805 2007 4.43245754245754 2008 -0.417929020080758 2009 5.95763688760801 2010 1.33857621672882 2011 4.58475435650401 2012 4.01518421081576 2013 2.5286478853837 2014 1.88675466275266 2015 0.330027165141066 2016 0.111682655737579 2017 2.19201010962985