Year % of GDP 1970 0.07515638699277538 1971 0.15985122825872722 1972 0.0856123354681575 1973 -0.136856956529801 1974 -1.1293187467008465 1975 -0.2787555421387147 1976 -0.6970837147083557 1977 -0.7073191658346332 1978 -0.1873460255863364 1979 -0.9660884550441722 1980 -1.2955861238861424 1981 -0.7439336124230564 1982 -0.511908371008218 1983 -0.35596612748187795 1984 -0.5539521454173055 1985 -0.5323408165100254 1986 -0.266439491573335 1987 -0.445879680476267 1988 -0.38107886086886467 1989 -0.5791047268419653 1990 -0.5326723972333838 1991 -0.015528289199224332 1992 0.12526106714064156 1993 0.45470345958241865 1994 0.42098454231601323 1995 0.5473340789994019 1996 0.3592948457742722 1997 0.49506562729729 1998 0.3524288766018344 1999 -0.17090441795080125 2000 -0.7357373791755784 2001 -0.6649466446407928 2002 -0.5643333557554726 2003 -0.6910589468308217 2004 -0.6682684989527239 2005 -1.1254043647060215 2006 -1.2665321711990458 2007 -0.9091296269430984 2008 -1.1107498947420176 2009 -0.12455336282353713 2010 -0.3878880951784822 2011 -0.6253370833002201 2012 -0.3568903438094857 2013 -0.040963241728885436 2014 0.03763376559728471 2015 0.17614974076584744 2016 0.31199065860610986 2017 0.3062635157426463 2018 0.17167366251687 2019 0.1075354571232019 2020 0.13972662423940108 2021 0.07886762893685173 2022 -1.0366262667155297 2023 -0.2478405869488185