Year % of GDP 1982 15.927288817660246 1983 14.476721432852221 1984 16.847473306743836 1985 21.859914459570152 1986 17.524945836668802 1988 22.105265755367277 1989 21.331365295659356 1990 21.42391378896668 1991 20.445109036037355 1992 18.998159544260027 1993 18.45971178062525 1994 20.352326778681967 1995 21.031291251323612 1996 24.33697373433691 1997 20.3876360655992 1998 17.83801640724078 1999 18.988496307573296 2000 18.28688226178844 2001 19.382594687129725 2002 17.753205497603 2003 17.693019547478244 2004 16.232586453464542 2005 18.802285887079233 2006 18.37390350072774 2007 17.510448810680977 2008 21.550570240373524 2009 22.123112308332196 2010 20.56294651932557 2011 20.52587674017215 2012 19.213348951458673 2013 18.933222238950556 2014 17.295117857387794 2015 18.18466989267227 2016 17.877757665559866 2017 17.620357004335624 2018 19.387503031912868 2019 16.63073904906088 2020 24.076160252204673