Year % of GDP 1960 15.105020110233875 1961 14.907355418304324 1962 15.422308188265635 1963 15.919063871282301 1964 15.973741794310722 1965 16.838690651725155 1966 17.4197654332212 1967 16.40193947500418 1968 17.269635126777985 1969 19.895208091676043 1970 20.99585062240664 1971 22.975376196990425 1972 23.84184457296666 1973 25.57808359331965 1974 23.21411309811503 1975 24.03914590747331 1976 26.246291774714088 1977 25.61545449582074 1978 16.65029676344062 1979 15.843829688354019 1980 15.507187030429566 1981 16.57436753726994 1982 18.795249908699617 1983 20.97305136423829 1984 21.14413149066106 1985 19.36768891205991 1986 19.668609393909712 1987 22.07407012577973 1988 22.620702141456807 1989 22.381266436544053 1990 21.00139695815229 1991 20.39644983871446 1992 23.130635763086513 1993 21.81567847130727 1994 23.01362266796029 1995 22.578488635161904 1996 26.036690293849134 1997 34.34206613406721 1998 36.14998939371951 1999 40.42347535597198 2000 40.266029256006796 2001 45.08788773036218 2002 46.61543409308304 2003 47.27881305353885 2004 49.362778411876356 2005 50.90559190652657 2006 55.13096894757378 2007 56.78703726743053 2008 52.999694484430684 2009 50.744475064140914 2010 51.34962700547068 2011 51.55918234864868 2012 51.150441033327375 2013 53.15024777161673 2014 54.67463738146894 2015 53.10554986755254 2016 58.099749824259625 2017 59.61748311038713 2018 60.92248580796663 2019 63.62852646984308 2020 80.09746282600972 2021 74.21079976070192 2022 73.53851522321484 2023 74.31329684802563