Year % of GDP 1965 10.487759040873778 1966 10.83198283264247 1967 10.362693029425655 1968 10.895499677999494 1969 11.005415119285868 1970 11.204829089421931 1971 12.3899428166525 1972 12.450842661162904 1973 11.295382367712866 1974 10.695068019024758 1975 11.498134720868308 1976 11.900940747688633 1977 11.630578860666937 1978 11.866894154970131 1979 12.035178794254415 1980 11.514127058722828 1981 9.334492077604658 1982 9.938525592061108 1983 10.588379832349782 1984 11.11169410846701 1985 11.4106256789552 1986 12.874741859306143 1987 13.27720016405144 1988 13.480980898738409 1989 13.839476011175389 1990 13.509151930317634 1991 12.980792041823822 1992 13.093711620128861 1993 12.837980370526076 1994 11.77808453362222 1995 11.181860175461543 1996 10.720728058228163 1997 10.995988722263302 1998 11.074932569593212 1999 12.819904429292562 2000 12.397717515512849 2001 12.161618621680066 2002 11.927855129799378 2003 11.727110117251078 2004 11.214557426754851 2005 11.008105656801472 2006 10.648961225967655 2007 10.617074483692207 2008 10.782317676121439 2009 11.817820835071153 2010 11.372735203862828 2011 11.493547817393841 2012 11.346087870955479 2013 11.220571938444127 2014 11.101101196636169 2015 11.191153889029536 2016 11.257779893341777 2017 11.387525043481903 2018 11.245567206686719 2019 11.234038045257316 2020 11.825538299677769 2021 11.28704080615382 2022 11.174043425851254 2023 11.162203677536157