Year % of GDP 1975 5.901732313234128 1976 5.750575748940736 1977 6.452665280791442 1978 6.789441375076715 1979 8.2914376768235 1980 7.398685720097251 1981 6.402328807135412 1982 6.840225767936594 1983 5.206893162248426 1984 9.388195263483128 1985 10.144863669849514 1986 10.974776175218622 1987 10.788093053502367 1988 14.021249372217437 1989 14.679262527755514 1990 14.665918860082595 1991 12.79428618788096 1992 11.583776459268396 1993 14.227122102186279 1994 12.953910952606492 1995 10.87271799924399 1996 9.524547248455878 1997 9.422767033447217 1998 9.007090975524854 1999 7.883834590334556 2000 7.120720372487846 2001 7.312078081800827 2002 7.934714374157716 2003 7.0348156711582135 2004 5.555231821716172 2005 5.82521903619809 2006 5.46328126886021 2007 5.422281159425993 2008 6.296215519281184 2009 6.837427650703769 2010 7.747212277833686 2011 7.076623500363254 2012 7.4927816509644165 2013 7.3355886300200766 2014 7.818025090035015 2015 9.845455527866974 2016 9.985334098213015 2017 10.691947620881406 2018 10.337792033791683 2019 11.190112498602456 2020 7.440585862668208 2021 8.309117329235207 2022 10.852419535897639 2023 11.47928173040983