Year % of GDP 1976 29.211285236804336 1977 43.653689593228826 1978 46.14996688297824 1979 26.159675412005463 1980 33.12414655672805 1981 23.63739226039722 1982 12.60465294410211 1983 18.401918964462347 1984 30.84690411774927 1985 33.43743418280641 1986 32.56519493600083 1987 35.31055166398366 1988 35.43742838133249 1989 29.734977961104743 1990 23.58445803454249 1991 21.74648140388501 1992 20.989437671312476 1993 21.3432939491809 1994 26.29334499009543 1995 22.2775480030992 1996 30.053240055543622 1997 21.689128569972237 1998 18.724150187310073 1999 24.716542357940316 2000 20.29009081496575 2001 19.48361806336567 2002 20.545613529463935 2003 19.55285449733461 2004 28.703211211837903 2005 30.975606561985757 2006 23.94305282190051 2007 18.747865246984784 2008 6.4782869945909445 2009 11.182588730945708 2010 16.566057059810102 2011 14.302532114251457 2012 23.583265859054375 2013 26.341364735878614 2014 7.944135047420456 2015 11.879067172783634 2016 7.3899198402153585 2017 7.235973552187754 2018 5.398633149400888 2019 9.052059273790631 2020 -3.5781271264668097 2021 -11.094401307929212 2022 2.063758071846837 2023 3.160355921472915