Year annual % 2001 -0.290353511421387 2002 1.88398291041361 2003 -31.3264785386333 2004 13.4717148735528 2005 4.9945661288825 2006 7.74482326296099 2007 10.9377010856879 2008 7.09388681983729 2009 2.85605462131437 2010 5.27707857478737 2011 10.8095407454111 2012 4.19383690602105 2013 8.9001995708401 2014 0.714134840719339 2015 1.2445689815269 2016 -1.63631343480398 2017 1.96372933357343 2018 -1.75264352566661