Year annual % growth 2006 27.490864140698 2007 -8.53064019135641 2008 5.85964135132984 2009 9.34044011193171 2010 5.73793746282635 2011 3.13791234574012 2012 3.90300582630407 2013 7.0020409750021 2014 9.50350731423472 2015 -0.431689918031665 2016 -1.21270887422904 2017 1.91546760152615