Year % GDP 1977 12.333683808067292 1978 11.056838739534689 1979 12.62910639448425 1980 11.839257249923097 1981 10.17108003570366 1982 11.10047846889952 1983 9.449397904185618 1984 12.746631292327027 1985 11.272984228647031 1986 10.582685006535133 1987 10.264610718976583 1988 10.640401184827724 1989 10.195296606721458 1990 9.407955310374708 1991 8.663733907155395 1992 8.562964634851669 1993 9.748233707217736 1994 8.951009101467138 1995 10.182218982227461 1996 9.266130617364912 1997 10.424674359258848 1998 11.115443264739536 1999 12.310013342849164 2000 12.495604876022522 2001 12.205068353810637 2002 12.107717285951736 2003 11.436210675605983 2004 9.667006846669963 2005 8.485827955039296 2006 5.596797487200178 2007 6.583070465745783 2008 11.036506291970248 2009 15.806650451461238 2010 13.263699180381652 2011 15.708665844705038 2012 15.398073273814674 2013 14.633441999357299 2014 13.839397600487798 2015 8.627335816627768 2016 9.778403200262545 2017 8.879320026317636 2018 8.485720372347657 2019 8.067132200624672 2020 12.950841441003899 2021 12.330840252191994 2022 11.153723194682403 2023 9.474988092335494