Year % of GDP 1960 1.0405370782477945 1961 1.2139156480117357 1962 1.2277091626038144 1963 1.167677642980936 1964 1.4214612498215957 1965 1.833273863500069 1966 1.6196265271493264 1967 1.8269680151680745 1968 2.141363386550582 1969 2.275516622110415 1970 2.739507299270073 1971 3.715596163992116 1972 3.4371683503840926 1973 4.603269952722642 1974 4.71970661772746 1975 4.2858005465669 1976 3.529377966709083 1977 4.684606481481481 1978 5.604601435045553 1979 6.269187457712413 1980 8.396642901659154 1981 8.995495726337538 1982 8.45488598050564 1983 7.907879146919432 1984 8.19954321857296 1985 9.306873309577984 1986 10.250161510300767 1987 10.148283853188024 1988 11.56905833094947 1989 12.818783676304205 1990 12.470990949176143 1991 12.954580334569188 1992 13.090252130774832 1993 14.263618355893035 1994 18.297653458589263 1995 22.5819094331014 1996 22.838381281813326 1997 23.364514300585 1998 28.2123020159883 1999 28.449022909869136 2000 30.281062905809936 2001 29.083806621417718 2002 22.509182640719306 2003 25.81266795114286 2004 26.553979254453196 2005 28.214974924161705 2006 32.61416285981617 2007 36.77121883457745 2008 51.197868149909034 2009 58.77492980640391 2010 54.21260717711394 2011 46.02558730651255 2012 48.39298877002722 2013 50.18531483011029 2014 54.22019239924097 2015 56.68439189020662 2016 69.65767267429356 2017 69.04878457671605 2018 76.16895532535686 2019 78.84534533265699 2020 88.34028058146774 2021 103.52615557910892 2022 94.31501258451144 2023 91.68598139402229