Year	Percent of GDP
1972-01-01	10.1948513860826
1973-01-01	52.2508447733460
1974-01-01	36.0620365382045
1975-01-01	59.9698152573308
1976-01-01	56.9761244313580
1977-01-01	35.4150949835623
1978-01-01	49.5114559975100
1980-01-01	33.0298272984517
1981-01-01	36.9499798651323
1982-01-01	31.0704339312894
1983-01-01	38.1973273120155
1984-01-01	33.6554771736217
1985-01-01	33.9727597571635
1986-01-01	22.1363536882406
1987-01-01	12.0914185570124
1988-01-01	29.4956513306051
1989-01-01	19.5412523867270
1990-01-01	-99.1234458193234
1991-01-01	-95.4047432606235
1992-01-01	-52.3115393885224
1993-01-01	-64.1049837483581
1994-01-01	-80.2262982304529
1995-01-01	-105.3934291611060
1996-01-01	-174.3614367154500
1997-01-01	-155.0922538593900
1998-01-01	-198.9907141112840
1999-01-01	-141.1899311275960
2000-01-01	-124.1268726279010
2001-01-01	-125.0885844537050
2002-01-01	-109.9821485567610
2003-01-01	-746.5594567382800
2004-01-01	-393.3274259960450
2005-01-01	-247.7362391975640
2006-01-01	-226.9559380275390
2007-01-01	-188.9914076855350
2008-01-01	-170.9578189778150
2009-01-01	-138.4715371850090
2010-01-01	-108.0286137590890
2011-01-01	-62.7337998590521
2012-01-01	-67.8298321372738
2013-01-01	-15.9899423506733