Year % of GDP 1990 96.58062551276633 1991 98.48339577542333 1992 95.36191195039538 1993 96.79781409826549 1994 94.85532323462571 1995 94.64982059744943 1996 92.343984335944 1997 86.10593167032098 1998 89.19582391113434 1999 95.10815461276734 2000 96.90403264537592 2001 103.2192741498851 2002 105.52499075470088 2003 102.27071202347587 2004 102.32853669886902 2005 90.60491311498535 2006 88.69948412212287 2007 84.99441694833413 2009 86.06349191248597 2010 69.25302518410619 2011 68.52573940603655 2012 66.74723536726096 2013 68.35361655985396 2014 68.59104233353148 2015 73.512659162998