Year % of GDP 1960 14.698972099853158 1961 15.271210013908206 1962 14.9439601494396 1963 14.592274678111588 1964 15.934393638170974 1965 17.68802228412256 1966 18.47123719464145 1967 19.254261363636363 1968 19.82857142857143 1969 20.86187214611872 1970 22.673282442684478 1971 23.540618556649484 1972 24.885506744984433 1973 25.382417582383244 1974 23.417507059272893 1975 23.056934533024357 1976 22.284742468400754 1977 23.23714853733551 1978 21.184777798849485 1979 19.5088729706634 1980 18.033858448363954 1981 22.48835590431591 1982 25.595537637483083 1983 25.050698269786707 1984 25.132858422246564 1985 24.44558419170549 1986 27.89642771142126 1992 35.21533738421296 1993 27.88619560280322 1994 28.92246730542274 1995 25.238677707454833 1996 28.083261554584134 1997 27.267105736266192 1998 24.342709171971343 1999 31.826521685893415 2000 29.638623464018824 2001 35.7296748949426 2002 33.178825595894615 2003 31.343447482852735 2004 31.893148014009533 2005 36.52803893587696 2006 39.10309454403274 2007 41.388884964349664 2008 43.560504554211604 2009 47.65505221060003 2010 48.30738648843056 2011 46.20380100179013 2012 45.8173827642056 2013 46.63278508944175 2014 46.01022700849731 2015 47.534349695387924 2016 49.64565112285522 2017 47.97643756275864 2018 46.28836482340669 2019 48.72404397015563 2020 55.75584795080747 2021 56.57743610175406 2022 49.086835085625964 2023 48.61614907493395