Year % of GDP 1960 51.892999453278655 1961 48.31149913308025 1962 47.76648942560797 1963 47.684605462727895 1964 48.81475932815469 1965 47.31078928734526 1966 45.72677635122639 1967 43.578925999143934 1968 43.507962401380475 1969 44.32074807748592 1970 45.462910463963205 1971 43.42511109675268 1972 40.9729869246827 1973 45.71986166735571 1974 51.656236048121826 1975 47.14090158121822 1976 48.3265702711191 1977 46.86212711429794 1978 44.21753413953359 1979 47.0353383579635 1980 50.738442146985086 1981 54.42176741879777 1982 53.11618774238045 1983 53.29230123405766 1984 55.14401385553028 1985 56.391329974160165 1986 50.14148694639159 1987 46.770798732452754 1988 48.23940009450764 1989 51.2280032561782 1990 50.78074378509696 1991 51.725021340221865 1992 50.544857727874 1993 48.22982477876635 1994 50.61013836796652 1995 52.34670148856814 1996 51.54015384961008 1997 54.26776356376307 1998 54.17534985641055 1999 53.97066745917215 2000 58.99716367972645 2001 58.87866414814682 2002 60.3548583360353 2003 56.82863553331612 2004 57.7770875523799 2005 60.764403707762106 2006 62.94608512962346 2007 62.98786643754419 2008 64.03790320423624 2009 55.13518901851854 2010 55.743674358712646 2011 60.327066038132685 2012 60.33765467797212 2013 60.62469805480662 2014 59.7928634102338 2015 59.82692794352379 2016 57.75464710339118 2017 58.85293686580049 2018 59.53628399132598 2019 60.3927163576479 2020 58.27894866871187 2021 60.69984833083913 2022 65.00607795529609 2023 65.13726108504049