Year Percent of GDP 1972-01-01 17.23299697451950 1973-01-01 19.21679699525890 1974-01-01 17.31624761436100 1975-01-01 13.72134839306600 1976-01-01 9.87767630877172 1977-01-01 6.63263458962384 1978-01-01 2.17476874630978 1979-01-01 3.96332511976571 1980-01-01 17.18869293921370 1981-01-01 24.09777186018030 1982-01-01 19.96809497310330 1983-01-01 25.08756674531920 1984-01-01 25.77919231726050 1985-01-01 33.63217058260820 1986-01-01 33.20015191274300 1987-01-01 22.39117936601690 1988-01-01 18.68257630058850 1989-01-01 13.34283516902210 1990-01-01 10.99565750620120 1991-01-01 2.22583369375778 1992-01-01 -14.32161343806920 1993-01-01 -14.00468147205980 1994-01-01 -5.09159158176770 1995-01-01 13.69584851960910 1996-01-01 31.27310502808020 1997-01-01 41.50425097027660 1998-01-01 24.14081195056360 1999-01-01 32.16968634203500 2000-01-01 747.63470678911900 2001-01-01 670.36194314045900 2002-01-01 431.48059948584300 2003-01-01 394.31862023742500 2004-01-01 531.45038930441600 2005-01-01 661.10441842529100 2006-01-01 763.63355097501900 2007-01-01 691.51014447832900 2008-01-01 733.13176544316500 2009-01-01 383.76004467043800 2010-01-01 361.16497021623600 2011-01-01 356.44897626349400 2012-01-01 289.20529169439600 2013-01-01 69.22261241599820 2014-01-01 43.12831789947320