Year % of GDP 1960 46.1640542829424 1961 44.2224427117498 1962 41.4213014883142 1963 39.831492841453 1964 30.8188501808826 1965 32.4528173086315 1966 31.7318930676406 1967 36.1029882290319 1968 38.4018262738822 1969 33.8685891494861 1970 32.252427184466 1971 31.0116119975382 1972 29.2478379439653 1973 28.3191590172773 1974 30.8399249091904 1975 28.4979376766294 1976 25.9003776994562 1977 25.1817938817804 1978 24.2364987462209 1979 25.8787043747811 1980 26.5624760173971 1981 29.1000565940331 1982 36.1283278471754 1983 38.0208525631134 1984 39.4081842780064 1985 37.9267591169628 1986 33.0376712454693 1987 35.4751895315817 1988 39.5560971933264 1989 45.8352154915791 1990 41.8528642011999 1991 43.0681950149894 1992 46.1506167101337 1993 46.1406273904916 1994 44.0068804476243 1995 45.4377506276821 1996 48.0337934935287 1997 65.0288987401233 1998 62.3737795575616 1999 70.9675908980156 2000 93.5296951343803 2001 95.1007153572221 2002 100.555673411602 2003 125.145115653653 2004 157.797767746874 2005 239.561823087085 2006 304.575112745362 2007 246.609307337934 2008 192.822800529916 2009 172.585573950763 2010 159.584270611648 2011 136.387466089406 2012 117.836193666554 2013 107.175296059148 2014 94.2348719751959 2015 87.2336945069416 2016 84.1890741368411 2017 86.8247061562628 2018 90.9125605265001 2019 88.7931178754837 2020 100.250561561858 2021 101.208681373647 2022 94.5691510050795 2023 90.437824817551