Year % of GDP 1960 5.726872246696035 1961 11.96105702364395 1962 13.57409713574097 1963 11.158798283261802 1964 9.940357852882704 1965 9.935004642525534 1966 9.771473601260835 1967 9.090909090909092 1968 8.761904761904763 1969 8.333333333333332 1970 10.78880407124682 1971 13.567010309278352 1972 14.562435143548946 1973 16.126373626373628 1974 17.00282371924163 1975 15.653118212845174 1976 15.524781341107872 1977 14.522389472687683 1978 11.43561539920349 1979 9.099744429646162 1980 17.089817611746263 1981 21.141627642070624 1982 26.880921065172224 1983 29.031051791338864 1984 35.28010510476381 1985 34.82697211893262 1986 29.414459477714068 1987 33.33828502754882 1988 36.206833843427525 1989 33.9836682372597 1990 30.942995500434794 1991 30.476011673389493 1992 31.737365644503956 1993 33.01708777546183 1994 41.745852340941184 1995 44.242634750617135 1996 49.369314886372834 1997 54.970323572402314 1998 40.39541058838475 1999 37.664922012932486 2000 42.35443703901141 2001 49.87147513879348 2002 47.98239404875773 2003 46.225097627092325 2004 48.825838150886476 2005 46.14235705204641 2006 48.762871070690714 2007 47.850816748786244 2008 50.54825389516652 2009 46.78706694676378 2010 46.69446522630848 2011 53.304175635646835 2012 52.83080265672299 2013 52.527298799813835 2014 53.76630116625433 2015 51.08854360075517 2016 48.3281862338973 2017 55.762168749567955 2018 62.61421117281184 2019 63.19329032310361 2020 61.34375509847545 2021 71.08244138689679 2022 81.17012957827242 2023 66.96318358814382