Year % of GDP 1970 0.7991777837989328 1971 1.0683576805674955 1972 0.45264242912723407 1973 0.9241292341175251 1974 1.7740109758543583 1975 1.6143752067591115 1976 1.2949095852271872 1977 1.0372061969864763 1978 0.9609911267369802 1979 1.4692205131540406 1980 0.7126658685113426 1981 0.5671599248753669 1982 0.675350048844023 1983 0.08637026572449996 1984 0.11549234769366516 1985 0.021325539245929906 1986 0.016111734047299178 1987 0.13346613721653255 1988 0.19738309825142697 1989 0.2690357393403072 1990 1.3230984987568646 1991 1.232752955211001 1992 1.6416520732891526 1993 1.0345493093503693 1994 1.741841105926197 1995 1.0428010260109175 1996 1.4282223590412226 1997 2.317057410035104 1998 3.6779944686054016 1999 0.9867523701409118 2000 1.2172943690102758 2001 1.1676348889518078 2002 1.2562079712052334 2003 -0.7501916949905963 2004 0.9764619222927918 2005 0.067986029076693 2006 1.3984212233664435 2007 0.5880246845798656 2008 1.4217654326638318 2009 0.783600879024998 2010 2.6185492886733197 2011 1.8007734546645109 2012 2.339172932898987 2013 0.974985288073053 2014 2.2354813735344132 2015 1.7745771647357755 2016 2.090901542768603 2017 1.5042653552296663 2018 0.5642765917399465 2019 1.0794215367429474 2020 0.5600915680998858 2021 0.7654904461846717 2022 1.6018802930669211