Year Percent of GDP 1972-01-01 15.35240661205060 1973-01-01 19.19159952899200 1974-01-01 23.34709261780450 1975-01-01 14.59067772967720 1976-01-01 13.72011296147500 1977-01-01 15.99370261952180 1978-01-01 22.63694414317790 1979-01-01 12.16861988172540 1980-01-01 16.67325899452710 1981-01-01 12.73477721149800 1982-01-01 8.15074755094460 1983-01-01 13.40564140952160 1984-01-01 16.25493381964420 1985-01-01 25.41784771874840 1986-01-01 22.95695941131560 1987-01-01 17.81821505220960 1988-01-01 15.54883225905850 1989-01-01 25.00892851933330 1990-01-01 15.70362093383580 1991-01-01 15.46116983935870 1992-01-01 8.65363948881808 1993-01-01 10.74892395085830 1994-01-01 12.37294681580150 1995-01-01 7.98200228326442 1996-01-01 15.07075703832270 1997-01-01 23.92453857792350 1999-01-01 140.94256022787800 2000-01-01 254.24887375369100 2001-01-01 268.86342706000500 2002-01-01 84.81143776837580 2003-01-01 3.72911401672622 2004-01-01 -56.17231995345610 2005-01-01 2.14375023871952 2006-01-01 41.43105732967620 2007-01-01 124.57325857376700 2008-01-01 87.80547584641540 2009-01-01 -26.78800544961850 2010-01-01 -27.95939849980430 2011-01-01 -4.75544434047064 2012-01-01 -10.88424494049330 2013-01-01 4.28635908082532 2014-01-01 7.39682774705864