Year % of GDP 1965 14.7721755368814 1966 15.828085106383 1967 16.3461879432624 1968 19.1212574850299 1969 17.4150641025641 1970 19.0954465849387 1971 18.5462427745665 1972 17.0220170454545 1973 19.1264108352144 1974 20.8143634949443 1975 26.5242027988071 1976 31.2489421720733 1977 28.5721320973349 1978 39.4514019866717 1979 45.292417302799 1980 46.4970383723925 1981 47.709236504211 1982 51.0869038240107 1983 55.5958804433001 1984 59.3564434204325 1985 60.7483507561149 1986 57.8533809417541 1987 59.240565006341 1988 62.4528855975485 1989 64.6610183467326 1990 62.2752526167107 1991 62.3619337390128 1992 55.8956902282296 1993 60.6579909381114 1994 64.5012966745462 1995 68.8625151123083 1996 69.3631810408014 1997 69.9910264146536 1998 69.1263146636244 1999 71.3878649429763 2000 72.0874022704919 2001 75.7083929160708 2002 72.7396231969385 2003 70.8022327666109 2004 74.6988592122014 2005 88.0918929819844 2006 91.7685988347041 2007 91.6320592187152 2008 78.4345636727236 2009 73.3197634332712 2010 71.2547588240457 2011 71.8259479340805 2012 71.2890289167952 2013 70.5272251240948 2014 66.6639415522239 2015 66.7111710317066 2016 70.9530803561467 2017 74.4929698437643 2018 75.6212145728557 2019 76.9001412999747 2020 83.1365317979583 2021 81.9629622069253 2022 84.4264807995962 2023 82.2577063015558