Year % of GDP 1960 87.38036287417306 1961 82.67724647269847 1962 83.7546463541644 1963 80.41161635136514 1964 79.87619315230626 1965 77.66798973648409 1966 76.95513129836186 1967 78.49024165048235 1968 78.06176088537293 1969 74.53452043944438 1970 74.16233391103408 1971 72.49418647211921 1972 69.38836078536939 1973 65.24236519761816 1974 71.62599202569349 1975 73.12766714413708 1976 71.39874307698204 1977 74.96976846054531 1978 74.86589354294173 1979 74.55897997021367 1980 76.07803537602588 1981 78.72045981797424 1982 78.6003639751648 1983 80.46471377665988 1984 78.48791415108974 1985 78.18908479613674 1986 77.91449382634067 1987 82.51543680639966 1988 80.83693019654733 1989 82.69918402873574 1990 84.05868551693874 1991 83.03150817689159 1992 84.19347846891174 1993 85.15149186751738 1994 84.47244278258414 1995 85.7857208856554 1996 85.56844966309704 1997 84.38881710779025 1998 84.49961350780059 1999 84.7157325540908 2000 85.15322943289894 2001 84.87114504596434 2002 85.37358298410987 2003 83.7259205802761 2004 83.17504253034073 2005 86.17712486693088 2006 84.35031964885151 2007 85.35273658034676 2008 88.09528510615648 2009 91.44157614941321 2010 89.61482264976227 2011 91.82378943481764 2012 92.47819558269248 2013 90.5181417085797 2014 89.66285039105153 2015 88.94639412626933 2016 88.60739397972802 2017 89.48810296541045 2018 89.01416445153812 2019 89.2276355917922 2020 93.280626482779 2021 90.06928321849786 2022 88.57675636800886 2023 88.10123915865714