Year % of GDP 1960 82.86190184049079 1961 82.59 1962 83.4218947368421 1963 81.22028301886792 1964 81.14657370517928 1965 79.42172161172161 1966 79.72592105263158 1967 79.8276204819277 1968 80.94435967302452 1969 79.86017241379311 1970 79.22635135135135 1971 80.83936734693877 1972 80.40808849557523 1973 79.65496382054992 1974 78.95691111111111 1975 79.03787272727273 1976 79.08654266958425 1977 77.07160086533261 1978 76.9803294822422 1979 75.29970664928291 1980 71.16073315262878 1981 71.2020771597666 1982 67.82536980441668 1983 66.41226403822962 1984 68.92695283711394 1985 69.68599873775632 1986 74.60978069261832 1987 70.9464852170935 1988 76.69091027097089 1989 77.67100733288012 1990 78.3975376533733 1991 79.91217631123803 1992 81.84377767490767 1993 79.65139470395223 1994 79.2146391234213 1995 76.84098082447451 1996 76.5129696801473 1997 76.73215218271507 1998 76.10060316719216 1999 76.442110727965 2000 78.04620654474444 2001 78.61231499235821 2002 79.49733728948036 2003 81.14755394418904 2004 79.93505860445784 2005 81.30297357819178 2006 79.16642367833909 2007 79.27085726373532 2008 80.53393658706717 2009 80.50267062232919 2010 81.81691048885138 2011 81.23074285533204 2012 80.61167467100545 2013 82.46061153260153 2014 82.56230010803134 2015 81.05050026860818 2016 80.50425585811342 2017 79.4513680588018 2018 78.6473077262463 2019 78.7108972867254 2020 78.30988003965746 2021 79.58743529943324 2022 81.60421860399947 2023 81.37961264812658