Year % of GDP 1972 0.06228246810851383 1973 0.2915729289934416 1974 0.21127896810016136 1975 0.041832432386039564 1976 0.025230252204844768 1977 0.012341509110496378 1978 0.025877962005167423 1979 -0.030247634398002512 1980 0.04159383748228052 1981 0.05144674484877246 1982 0.027823217857898513 1983 0.06694913068817561 1984 0.03518593104894166 1985 0.07994746859098342 1986 -0.0006591219789134403 1987 -0.021143743379800694 1988 0.14155004986007855 1989 0.13910069968492358 1990 0.20711595327918808 1991 0.5193018067379925 1992 0.6389238955143383 1993 0.15505074312417674 1994 0.28774292190036144 1995 0.5826410521020744 1996 0.7757723080044019 1997 2.0753620216569413 1998 5.73314086405393 1999 2.076695694052898 2000 7.40316994821064 2001 5.62349017129374 2002 -1.0235719915785852 2003 5.462117134259799 2004 4.322581558313835 2005 1.3869408964964207 2006 4.240481016145226 2007 4.3905304472156885 2008 2.117825919390544 2009 1.4858617518683617 2010 -1.4016325154229392 2011 6.43050443120232 2012 2.1030342486803266 2013 3.1320453906501853 2014 1.490407598063986 2015 -0.559976168764822 2016 1.544538978856566 2017 1.0294759279178616 2018 0.6000059979500671 2019 0.6800550017795669 2020 -0.7605987688303865 2021 -0.6125391085269785 2022 1.4613873411663716