Year % of GDP 1970 2.247673405005509 1971 1.3904449307075128 1972 1.3241937499999998 1973 1.6219764699489185 1974 1.8048226706231452 1975 1.07425112321268 1976 2.040745459018619 1977 0.9990402346016108 1978 1.4772387591652565 1979 1.6908778604561268 1980 1.4372685549668507 1981 0.7247307460961475 1982 1.1365756615590925 1983 1.0004012437639065 1984 0.5363885494441947 1985 0.9131623166227559 1986 1.2723813738204124 1987 0.5875461735327236 1988 0.3451381944931413 1989 0.9871843039945467 1990 3.7031725764334604 1991 3.956844133845485 1992 2.6127359215329036 1993 4.728580077286078 1994 4.730440855784216 1995 4.458729264888815 1996 5.586784108422271 1997 2.9019336045063207 1998 3.2471361920523094 1999 1.6021577488212386 2000 -2.865294556311849 2001 0.48136235260251464 2002 4.275332532079873 2003 -3.8117932381846673 2004 2.2326303912504 2005 1.6620151766177464 2006 2.611329337258136 2007 3.1602444475248266 2008 1.9469239581805975 2009 -0.04316056558018599 2010 0.19540793591493275 2011 0.8190429951648299 2012 2.1831158867777387 2013 -0.03641505844128391 2014 1.614981170782389 2015 -0.04119655115293401 2016 1.0630652791635649 2017 1.1570274530334514 2018 1.1878828246388817 2019 1.369883427509051 2020 1.9441314498092745 2021 1.7898757694134122 2022 3.3802437002904973