Year % of GDP 1970 13.737103208688445 1971 13.745861979241086 1972 13.74222042238475 1973 13.726368377501549 1974 13.696006098652983 1975 13.775060015321348 1976 13.789651988013226 1977 13.724012130255709 1978 13.647110328065517 1979 13.544199982714824 1980 14.170326594777489 1981 13.862611520537554 1982 13.395813612855445 1983 13.262601854449962 1984 13.029643988922846 1985 17.300962195392223 1986 12.324035361054493 1987 11.06182484566977 1988 12.596541633941774 1989 11.864856519026855 1990 15.097125004821537 1991 7.294391433189524 1992 4.147712816427335 1993 2.6764716853279356 1994 4.775422644198834 1995 5.096816009984903 1996 13.89981792929326 1997 12.047304153088847 1998 9.203657590480494 1999 9.06309174961062 2000 9.687670372381843 2001 8.57384541575133 2002 7.5212458879742785 2003 7.820595133310307 2004 9.532760254430281 2005 13.449503901455994 2006 11.967064130080313 2007 12.888220749813579 2008 11.062669493128178 2009 12.942976804123713 2010 14.921962442482279 2011 11.717640237715612 2012 13.731012701494375 2013 13.270596775029814 2014 12.5050678126019 2015 12.069851996033641 2016 12.256055462075862 2017 13.17662786192844 2018 13.996033027583913 2019 13.101531892840981 2020 10.528747538466984 2021 13.574187494577854 2022 7.817333954489619