Year % of GDP 1960 21.931753739617356 1961 21.857805699936513 1962 22.26188247182671 1963 20.38756548923671 1964 18.57051298072279 1965 19.816229958207053 1966 16.30221856742777 1967 18.758682332496196 1968 19.35209385987105 1969 19.349405532241292 1970 19.408147092861114 1971 20.13193264222125 1972 18.7546455329118 1973 18.16994462121637 1974 16.90966132148843 1975 17.150737136830088 1976 15.300223308073468 1977 14.52078665875081 1978 14.569096257512607 1979 15.298840676467155 1980 11.768650713026261 1981 11.5299152374023 1982 10.4682104319165 1983 10.985833020047783 1984 12.785222194118964 1985 14.368916806794708 1986 20.879962563887084 1987 20.659321607282205 1988 80.44763566097731 1989 111.32530391118691 1990 30.394514216910913 1991 35.02960132459527 1992 60.93240881685952 1993 93.658846471248 1994 45.461303798853166 1995 32.44854687835741 1996 35.11848156154034 1997 36.96512904900507 1998 39.33173174350178 1999 42.81105420919011 2000 46.48658780841672 2001 58.63617171799618 2002 55.004982171028594 2003 56.52636379879623 2004 56.332065108100636 2005 60.13304446035558 2006 63.2497794650546 2007 68.35919862134917 2008 70.4894529694388 2009 76.09041943740891 2010 74.21938014183547 2011 76.82527513705202 2012 79.05286202089596 2013 78.62652780921518 2014 81.90656401411103 2015 88.06962764441465 2016 93.82113794387644 2017 93.05955810905205 2018 93.71303402912376 2019 96.05785042008661 2020 109.1542171119991 2021 103.46563447588186 2022 104.79002951854326 2023 111.48301971885905