Year % of GDP 1985 2.16947033947215 1986 1.46541596979983 1987 1.16167437420428 1988 1.76270601643729 1989 9.25339598228214 1990 12.3278452336478 1991 8.02299122246395 1992 10.2593518493001 1993 7.69223871824485 1994 6.73816649187403 1995 7.28047435709847 1996 7.00278823071902 1997 5.75041182361485 1998 4.5585937085968 1999 5.6404762468781 2000 9.69222818683314 2001 7.98035643169834 2002 7.4254913633254 2003 7.95488668034576 2004 11.7642910494755 2005 12.1341965365962 2006 12.2305390234099 2007 11.4131853552874 2008 13.9196883964883 2009 7.40088651172265 2010 7.4812809152762 2011 9.06944428635118 2012 7.29867693307343 2013 5.91331153505454 2014 5.66094916066902 2015 3.38333033260239 2016 2.68357593807147 2017 3.21350443557147 2018 3.26009968480725 2019 2.50068260501281 2020 1.8108819584417 2021 2.54701708790768