Year % GDP 1990 44.61184930858757 1991 40.77021779120205 1992 41.65017710438959 1993 45.229622422517515 1994 47.77355474066458 1995 35.21441306545851 1996 22.226686639691398 1997 18.04207683399081 1998 24.996496349685255 1999 14.717987119460574 2000 0.25138445940309423 2001 -2.768742693735218 2002 -3.8256726412627855 2003 0.5587501295931515 2004 -0.31003436721032657 2005 -1.089094253048386 2006 -2.362332365597924 2007 1.7176741206999537 2008 1.822141672823094 2009 10.744350403581741 2010 11.747075228517453 2011 15.884797465967088 2012 18.679637494045735 2013 21.185213879267717