Year % of GDP 1980 14.418595634135938 1981 16.625566180171113 1982 17.17781684072657 1983 14.479483206214406 1984 15.812622944090633 1985 11.8685822802674 1986 12.91954984632725 1987 11.796185736614904 1988 11.45935204237308 1989 10.94185834984032 1990 17.745965023595193 1991 15.390567428150332 1992 11.618027888446216 1993 9.934426229508196 1994 11.491628614916285 1995 9.218320938607501 1996 9.592577335048206 1997 20.47684372461067 1998 13.411564261547923 1999 12.958624340213145 2000 10.97048236294697 2001 10.603253242166442 2002 9.710569627639577 2003 9.095627750173858 2004 8.452185376591421 2005 7.283685728894337 2006 6.096284920530045 2007 4.651784891942117 2008 5.869626922018489 2009 4.235785659661227 2010 4.03250076157469 2011 4.661369067960636 2012 4.430140023765886 2013 4.515416945018811 2014 4.558717049956263 2015 4.061975774272378 2016 4.0548985296075 2017 4.043176898073076 2018 3.3861124468837795 2019 3.242815125587105 2020 3.4902418139563545 2021 4.368048975194651 2022 3.861289875220977 2023 3.0319465273985693