Year annual % 2003 5.96846393096911 2004 6.77327476185474 2005 12.6907616563095 2006 -2.16445000873266 2007 2.57652689535308 2008 -12.3556809610952 2009 5.97567704391486 2010 2.31766890279064 2011 6.3929376734505 2012 13.6632725550557 2013 -2.45302713987473 2014 -2.90516617398133 2015 3.18757755421872 2016 2.05180352239177 2017 0.634642014315531 2018 1.46739317860467 2019 2.05338002448778 2020 3.63656126273814 2021 3.14344712341847