Year % of GDP 1975 2.986387599844633 1976 3.0727121388428165 1977 3.1399950378158943 1978 4.630998400914097 1979 7.412073748973916 1980 9.883048031551379 1981 7.709353562838326 1982 5.233851821701731 1983 8.239888482754036 1984 7.09473915313451 1985 10.647940848194198 1986 15.0880286102197 1987 21.530161264486296 1988 13.502127344973792 1989 15.757827948759564 1990 11.428943071541235 1991 11.972566877466074 1992 12.736697532417644 1993 23.030453279556433 1994 26.92362825150384 1995 30.266893866316508 1996 42.02003502420234 1997 51.59765614806565 1998 56.262004731861204 1999 57.881149861149275 2000 84.38638336921134 2001 60.346634330273865 2002 58.95774569129093 2003 56.56340579330252 2004 68.81278633609938 2005 79.45638971280407 2006 93.77517015583592 2007 118.80258136074949 2008 96.77010471986192 2009 96.96078946353863 2010 86.86124036749642 2011 82.18666946670886 2012 73.72551365512871 2013 71.67677233539854 2014 74.4172189096838 2015 70.41879355774189 2016 75.48237192681896 2017 77.61935710403576 2018 79.61697314031072 2019 82.15543730250107 2020 118.02131435975565 2021 109.08967607226126 2022 104.06041803603856