Year % of GDP 1970 1.1730266030007852 1971 0.43397265762869985 1972 0.5569697286652603 1973 0.6468623820809466 1974 0.6144491697500613 1975 0.05906555240765999 1976 0.345582200031615 1977 0.1599433824875603 1978 0.41783744464582534 1979 0.3667134028312784 1980 0.0827990904167097 1981 0.19112101666564982 1982 0.0602459640198996 1983 0.0980402555377408 1984 0.2664096164044592 1985 0.354462664550503 1986 0.24024234954220441 1987 0.2015526487778909 1988 0.431223333151671 1989 0.45590926123703995 1990 0.14012598602908966 1991 0.5735524673663104 1992 1.096767504313554 1993 0.9733860585884119 1994 0.8082715313040499 1995 0.36463283556847886 1996 0.45133187333837016 1997 1.205244027326207 1998 0.9897560268121566 1999 0.8771699763869394 2000 1.0790800922724455 2001 1.494998702555496 2002 1.8272067630145148 2003 2.2088130890824456 2004 1.7583942818029457 2005 2.5768468281096033 2006 3.6790511473911622 2007 3.3118638193101146 2008 2.825673952761014 2009 2.3925928528338334 2010 1.835002653701794 2011 1.0350467536336105 2012 1.3220401616844935 2013 1.0273392210868242 2014 0.49861869409806264 2015 0.6506772221401198 2016 0.9520266395210352 2017 1.1851237544046043 2018 1.1594220437175176 2019 1.040857025141616 2020 0.8250268846042342 2021 0.6592643639050254 2022 0.9454611259839978