Year % of GDP 1970 1.389833549968686 1971 0.13743577570358864 1972 0.2202566819884033 1973 0.16303833091814385 1974 1.0011979460669718 1975 0.9485350200356799 1976 0.5658899443942716 1977 0.2565947262424082 1978 0.8696065297625519 1979 1.0491620608717338 1980 1.9451141947301693 1981 2.0479849121573706 1982 1.685615612999885 1983 3.1122996025846006 1984 0.2416275384643614 1985 3.70083163693805 1986 -0.7649466780789105 1987 0.8883449458977668 1988 0.7548385623538875 1989 -0.7785146988190209 1990 -0.916249104832404 1991 -0.12244775584368343 1992 0.24191782045106253 1993 0.031644986757228516 1994 0.041273155771148644 1995 0.1390339957202118 1996 0.9412421038212125 1997 1.3866729149537609 1998 0.4888527648087674 1999 0.30270039040052416 2000 1.5114447329636418 2001 -0.10652670826350667 2002 4.068984587601906 2003 2.096943831265058 2004 0.36111804099323963 2005 1.2486083121223555 2006 0.2827395549875794 2007 0.7922906664003067 2008 0.07575466775545989 2009 2.671669503926447 2010 1.9495238678144524 2011 2.1327039112471664 2012 1.7488404776777433 2013 1.6229680622483342 2014 1.9948432768068285 2015 2.155640210421351 2016 1.963349434781993 2017 2.256209757144269 2018 1.9148578128622067 2019 2.583406024891569 2020 1.6559561471235298 2021 2.1414894089013488 2022 2.120979057154267