Year	Percent of GDP
1997-01-01	43.4057478905204
1998-01-01	56.9044515955438
1999-01-01	71.9371804721435
2000-01-01	69.9381136060460
2001-01-01	66.6691828995276
2002-01-01	64.9581962294659
2003-01-01	53.8060493692922
2004-01-01	43.8362208108595
2005-01-01	35.0762986080530
2006-01-01	27.9581002971939
2007-01-01	22.6871259498800
2008-01-01	27.0177714560862
2009-01-01	34.6114517602530
2010-01-01	36.7997202690969
2011-01-01	32.4597615412752
2012-01-01	32.5306981139253
2013-01-01	33.9206609789504
2014-01-01	35.3784896169107
2015-01-01	41.2822252746225
2016-01-01	44.3825652463852