Year % of GDP 1960 91.89834555688215 1961 90.53127112986013 1962 88.7005738604406 1963 87.4031989312428 1964 84.01189961708158 1965 80.03048780487806 1966 73.57723577235772 1967 74.9105221227363 1968 85.47368421052632 1969 70.83708370837084 1970 72.15373459028281 1971 61.618942731277535 1972 58.89063729346971 1973 57.71614045441134 1974 58.764125991824955 1975 59.318484675423576 1976 60.77279752704791 1977 61.78829717291256 1978 58.973310154412516 1979 54.49715653995809 1980 51.99199563398217 1981 53.61157484696717 1982 51.0023443854361 1983 45.24633510907182 1984 42.69575742528165 1985 38.9636719394611 1986 35.34525583705911 1987 30.915290195484165 1988 25.93366144174697 1989 28.1393084468621 1990 33.23289399987238 1991 36.06059655615845 1992 36.61507333188537 1993 35.342184586676694 1994 38.236580203942424 1995 39.43130347257171 1996 35.3616839074397 1997 35.452154650312636 1998 36.91315945465323 1999 32.707184934585634 2000 33.322045721600084 2001 34.454669914145555 2002 37.37534867503487 2003 38.57666126221649 2004 39.78627602304533 2005 38.10674035140871 2006 33.318458726776136 2007 34.63724082769134 2008 38.528207980385815 2009 44.180938809957006 2010 42.774065886585284 2011 40.521445223235034 2012 45.99336121769364 2013 46.56845112936455 2014 42.30999438067468 2015 45.997757195073454 2016 40.6985608181809 2017 42.04201475536007 2018 43.467182521243686 2019 44.25293641077826 2020 48.54345051502933 2021 43.30325916415364 2022 40.57842995434131 2023 42.944945027483264