Year annual % 2001 -35.3325230898709 2002 10.795152212781 2003 -17.1991113951049 2004 -35.37272140928 2005 33.4190297455523 2006 25.0964212503839 2007 -2.17732137666182 2008 -2.26631245721242 2009 65.1811427787987 2010 2.24430854632867 2011 -3.8393680762404 2012 -10.3635608714566 2013 0.423543224371883 2014 8.79171427910876 2015 3.49669509201409 2016 -9.6779766433031 2017 2.5786961615391 2018 7.15386009684306