Year % of GDP 1987 66.9863376249531 1988 42.9046542359707 1989 56.7797686076664 1990 75.1906858388906 1991 40.5147794176787 1992 29.6105678051655 1993 42.4720293155611 1994 34.1757031378678 1995 47.6696604159181 1996 58.5978853551026 1997 40.3711114117977 1998 6.66996650893168 1999 18.7194907376426 2000 59.3410849589971 2001 75.3659098606219 2002 52.4472081690816 2003 48.7135348522424 2004 44.100559936972 2005 43.1678316179969 2006 51.478078444309 2007 49.2587863251987 2008 56.9658866272325 2009 22.9354468837346 2010 23.2100512626625 2011 34.2784349181735 2012 30.8737007585666 2013 27.4926438120002 2014 20.1759840166561 2015 15.4827871650235 2016 9.65761604863881 2017 13.0262092742703 2018 20.0690091609088 2019 13.4925127713072