Year % of GDP 1960 8.870474247832739 1961 9.145138562705496 1962 10.073513513513513 1963 12.726886291179596 1964 11.450144807612743 1965 9.08098451766574 1966 9.560843490036758 1967 11.164909773092727 1968 12.122560766860662 1969 10.270480335768694 1970 9.68549159031861 1971 8.763805220883535 1972 9.806847096923432 1973 9.218852076528233 1974 8.938701487123685 1975 11.07955222103132 1976 10.90791861686885 1977 10.132889093137255 1978 11.18668926406362 1979 12.757064961665144 1980 13.24560423601957 1981 12.937486480640276 1982 13.738816738816736 1983 12.869373411096158 1984 11.848047769457882 1985 10.11630906823752 1986 10.455599373773804 1987 10.455622932745316 1988 6.971465679187958 1989 5.129312358244279 1990 5.064619795158717 1991 4.572564029957134 1992 3.8977833500940697 1993 3.1851016543233523 1994 2.3814219272108557 1995 1.626660436908588 1996 2.828364180682542 1997 2.1378987592072685 1998 1.9625899707058563 1999 1.6155311440157516 2000 2.268144070583978 2001 2.4874468002529753 2002 3.7361795758452776 2003 5.0172800038124095 2004 6.128541101276698 2005 7.813579847146901 2006 11.048116510492953 2007 9.812856017672926 2008 9.379790825098263 2009 11.558510074632308 2010 10.502691265179353 2011 9.29192166764101 2012 11.942364123248444 2013 10.51779166791106 2014 8.150646862748593 2015 8.124733359813595 2016 8.21971643252736 2017 8.389756137587657 2018 9.354756033250254 2019 9.17361614121809 2020 7.890887162379669 2021 6.619864492150351 2022 5.639804684956495