Year % of GDP 1960 6.172034253410715 1961 6.1024384085604435 1962 6.267471154224248 1963 5.982014774376318 1964 5.509652372837588 1965 5.267576462466279 1966 5.623238674966833 1967 6.022971634568446 1968 5.8751797121305405 1969 5.478097752176149 1970 5.05691425733679 1971 4.567311385990978 1972 4.293469182914846 1973 3.8715528375761683 1974 3.924335880788087 1975 3.9213551397345423 1976 3.7558548737392785 1977 3.8316712203579795 1978 3.6388362744764926 1979 3.569523368974692 1980 3.610854579617868 1981 3.891608390895108 1982 4.436958740597527 1983 4.256156881422782 1984 4.248463554714059 1985 4.308803977590872 1986 3.979238077895064 1987 3.83132291919168 1988 3.576383145428204 1989 3.4463773046458375 1990 3.321349278848255 1991 3.038805273011099 1992 2.9506358027051154 1993 2.7825215295923833 1994 2.6010242875699237 1995 2.3731055044689415 1996 2.300163378133308 1997 2.3031708966277327 1998 2.251409578157991 1999 2.208456846410034 2000 2.1963641173934048 2001 2.23222397447259 2002 2.3351845323633906 2003 2.3946533341374336 2004 2.3945426963686076 2005 2.3862769639690917 2006 2.357721177639555 2007 2.3198028638782415 2008 2.378926880403373 2009 2.609286178918014 2010 2.512087369622952 2011 2.406102374498256 2012 2.3684554861116527 2013 2.3024580380765736 2014 2.2529290482143685 2015 2.2606430938743087 2016 2.2158791551010286 2017 2.16581548589547 2018 2.137095352815187 2019 2.1844682735110643 2020 2.3431967074945987 2021 2.1987282795619447 2022 2.2796393988139076