Year % of GDP 1960 70.95166575641726 1961 69.67799642218246 1962 71.46357899895852 1963 69.88190057676462 1964 67.44810744810745 1965 67.08452880158904 1966 68.04891015417331 1967 68.95218557677134 1968 70.50019692792438 1969 68.40347361389446 1970 66.6260619690155 1971 67.34306958556743 1972 67.66561952684107 1973 67.04778583937954 1974 66.88804340484927 1975 66.10447367429238 1976 65.68475375115592 1977 65.12015980706221 1978 66.59297017339148 1979 68.08726534753932 1980 69.17015047339885 1981 63.098646577985065 1982 64.50391877449235 1983 64.66165413533834 1984 65.50632911392405 1985 64.6112600536193 1986 64.17233560090703 1987 69.70873436893203 1988 70.77922077922078 1989 70.2597412987013 1990 71.92066805845512 1991 73.06666666666666 1992 72.60963335729691 1993 74.0979381443299 1994 74.57142857142857 1995 74.4607843137255 1996 76.93984306887532 1997 77.17186912373073 1998 76.68754349338901 1999 75.03250975292588 2000 75.86004116436342 2001 75.27181488709228 2002 73.76616521509634 2003 73.02994011976048 2004 71.6670100968473 2005 71.5506035283194 2006 70.60061518536507 2007 72.3952738990333 2008 72.31714126186488 2009 76.09863749760123 2010 74.57318083872038 2011 75.56706294216322 2012 80.71296351585359 2013 80.77295205332187 2014 82.93896713615024 2015 82.42972298375547 2016 83.08850668044585 2017 86.08003501189857 2018 83.29047190433329 2019 80.49678341672623 2020 83.64593830250627 2021 86.00501268178475 2022 82.52215492508766 2023 82.57183370423617