Year	Percent of GDP
1972-01-01	1.273951764940150
1973-01-01	1.695502954589940
1974-01-01	0.847789850544424
1975-01-01	-7.931258019427160
1976-01-01	-8.746104189002920
1977-01-01	-6.588024324880960
1978-01-01	-8.324061740774400
1979-01-01	-6.941402881687840
1980-01-01	-8.213777588626680
1981-01-01	-7.388383556792520
1982-01-01	-10.569086240040900
1983-01-01	-14.478000633571400
1984-01-01	-12.064616085887500
1985-01-01	-10.978075239470600
1986-01-01	-12.680508176805900
1987-01-01	-9.382756702761080
1988-01-01	-7.196591586420320
1989-01-01	-6.062649175518720
1990-01-01	-12.590921819178800
1991-01-01	-22.807180627299900
1992-01-01	-24.065232736093700
1993-01-01	-24.195966962723500
1994-01-01	-19.946044100432400
1995-01-01	-23.843218126795300
1996-01-01	-16.444805857468200
1997-01-01	-8.703086170859400
1998-01-01	-5.302930741365010
1999-01-01	-1.208063824015150
2000-01-01	5.698883413801660
2001-01-01	-6.909578042683070
2002-01-01	-92.623334807957000
2003-01-01	-131.334767749281000
2004-01-01	-115.498546914245000
2005-01-01	-93.027135302563600
2006-01-01	-46.985011870285100
2007-01-01	-45.570663528912600
2008-01-01	-103.052066312645000
2009-01-01	-250.624284292690000
2010-01-01	-186.750249179162000
2011-01-01	-133.612358968316000
2012-01-01	-101.001660239846000
2013-01-01	-19.761933300342000
2014-01-01	-13.881109096292600
