Year % of GDP 1962 13.0907559092886 1963 14.0093079047394 1964 14.8918347108621 1965 13.5784224656817 1966 14.0528175846385 1967 15.559553100969 1968 15.3464819840222 1969 15.0381701000013 1970 15.7953731367938 1971 16.5443571385857 1972 16.4644372598919 1973 15.1540930592648 1974 14.206218049659 1975 13.6873182025314 1976 13.5973715400408 1977 14.917026988 1978 15.1084684832413 1979 16.3332616673966 1980 14.1122154006203 1981 13.2930391394861 1982 12.4369722790982 1983 12.1759406440809 1984 13.4508700968926 1985 14.3971139445804 1986 14.440666246626 1987 14.5359785590426 1988 11.6873878839949 1989 11.4333098123132 1990 12.8914568282164 1991 14.2582237752474 1992 13.2640938398225 1993 13.6516215397369 1994 12.3895146763265 1995 9.46985784394134 1996 7.8565252901951 1997 8.28318409822561 1998 7.56390697960282 1999 7.20753790204277 2000 7.35204250409011 2001 6.97945716931924 2002 6.65848108549773 2003 7.53867241554107 2004 8.60727448499636 2005 8.4956383039294 2006 8.781580280411 2007 8.77598082046615 2008 9.70217947833011 2009 10.1415792882143 2010 10.8686616139204 2011 10.1802537806208 2012 10.1166938504563 2013 11.0832879408739 2014 11.6677588601475 2015 12.3105923900588 2016 11.8878140256576 2017 12.706122619847 2018 12.9668768989013 2019 14.2116915537463 2020 16.4151092015642 2021 17.6071032332374 2022 18.6674722958967 2023 16.936912367422