Year % of GDP 1990 6.691811949208421 1991 5.779882696107644 1992 5.87455274980281 1993 5.730977386100917 1994 5.898763402305284 1995 5.5756355706028575 1996 6.644161614406544 2006 5.208201692298709 2007 7.438173486597102 2008 12.353734678299976 2009 14.453263393742386 2010 11.200856779011861 2011 7.769933310953149 2012 6.425803483904476 2013 5.62000001118462 2014 7.302428127188415 2015 7.52535991831729 2016 7.738455443965389