Year % of GDP 1960 42.46986378425897 1961 40.455290004393284 1962 41.605751922598074 1963 44.35539926486695 1964 45.90659733833917 1965 42.07836770375834 1966 42.81810335597047 1967 42.09319361841853 1968 42.372812913551 1969 42.52789421294076 1970 43.52037074844491 1971 47.56021671833583 1972 43.40871206500136 1973 46.625997600714136 1974 62.023847457067795 1975 60.97743489425252 1976 58.7113230138348 1977 58.715081593626834 1978 58.50849971411677 1979 59.77625136982337 1980 65.54462789894944 1981 66.33313567444237 1982 58.48279285876706 1983 49.556067656229736 1984 45.733810332582294 1985 40.0671354738794 1986 31.879419786821675 1987 38.277973597277956 1988 42.126014244589406 1989 45.946516796461516 1990 39.65672785025114 1991 53.47262873644733 1992 53.91938534198683 1993 53.36209280840766 1994 51.211347022527775 1995 51.86533033817793 1996 53.22471818164032 1997 51.61471007880079 1998 47.1860982090087 1999 48.583339159162634 2000 54.77452950407887 2001 52.484733459250016 2002 55.3667051609657 2003 58.735870347450884 2004 65.30163901477586 2005 69.82324520272104 2006 70.16282689741412 2007 72.08850927188846 2008 76.41132286919654 2009 64.51191935870641 2010 65.82125244863379 2011 68.46696106203227 2012 69.88797019619734 2013 70.98311754340881 2014 67.77171083484072 2015 61.3598577447905 2016 56.17565946520467 2017 58.65708991206433 2018 64.24028983508593 2019 62.920905381362424 2020 55.84727296350483 2021 63.77774514484286 2022 69.78228541427946 2023 68.52999313162174