Year % of GDP 1972 14.995844525011142 1973 13.842394859363576 1974 13.209782252910829 1975 15.187162659246686 1976 15.48982230694376 1977 16.412689871095566 1978 15.356593628322447 1979 15.415397423041266 1980 15.323004607724897 1981 17.853848181338954 1982 16.176591762503975 1983 16.50901255977718 1984 18.78726300251136 1985 17.952758988615564 1986 22.656855624598034 1987 27.0035895015313 1988 18.977285275011557 1989 17.553846530252738 1990 17.06569369987928 1991 17.878150511568215 1992 16.541411819567074 1993 14.575723195037737 1994 10.918178958983754 1995 11.926407222048589 1996 16.164716903868985 1997 13.6313737518868 1998 15.721913728464004 1999 14.772397053041827 2000 15.716731750551222 2001 18.16943219281278 2002 16.145628706665917 2003 15.937182389389948 2004 14.392104220991293 2005 12.593842696840493 2006 13.056892226755895 2007 12.148988476612924 2008 14.504916376337148 2009 14.30398892329702 2010 12.412804326624158 2011 12.772652254232671 2012 12.383962383108194 2013 12.375337873564158 2014 13.151065590268804 2015 15.925525943093788 2016 14.442641671866072 2017 14.305321970480097 2018 14.691255135635576 2019 14.142850173826528 2020 25.72187235996004 2021 16.375509646944565 2022 15.135777672124226