Year % of GDP 1965 14.395541034018835 1966 13.485818847209515 1967 14.526315789473685 1968 10.851497569389995 1969 12.669816893089191 1970 24.74854420328216 1971 24.432591920108944 1972 24.740046838407498 1973 26.413619386780162 1974 32.20700348882284 1975 32.91604456184679 1976 34.014485256078636 1977 38.01268306035859 1978 38.737469302306856 1979 41.9678302532512 1980 45.60090382714306 1981 49.83901970206632 1982 47.4398468070935 1983 42.719782643213776 1984 44.328176657725656 1985 38.13316615134719 1986 37.30238534160103 1987 35.81571316565654 1988 41.65762187377318 1989 47.66160231076445 1990 50.60421424410811 1991 45.32039771215749 1992 46.465000218885436 1993 47.965628452567685 1994 47.87211169990768 1995 48.81009629481932 1996 43.61097853280395 1997 41.38662970614643 1998 41.4596717349713 1999 39.92607235502906 2000 42.90907608363288 2001 46.73537786961671 2002 44.55734137356693 2003 42.90677688193322 2004 44.727268045882305 2005 45.318955840557905 2006 47.91241405536299 2007 52.98117899507666 2008 58.690830275793694 2009 47.977067753744215 2010 52.19128114255649 2011 54.05172553256814 2012 55.63787615721162 2013 54.06525136161583 2014 53.159638737738035 2015 48.848691902870975 2016 48.7973687883644 2017 54.08841160065286 2018 58.38597273814297 2019 56.38242158592816 2020 46.341489947465405 2021 52.207996917794084 2022 65.28760826987113 2023 58.05715210450428