Year	Percent of GDP
1998-01-01	36.6266973741764
1999-01-01	46.9416020094713
2000-01-01	53.0211143938889
2001-01-01	51.4314138636134
2002-01-01	45.3547415785721
2003-01-01	43.7669852338689
2004-01-01	42.4043676470847
2005-01-01	37.0605631345471
2006-01-01	35.2304111199449
2007-01-01	33.7073964771907
2008-01-01	32.7525323790327
2009-01-01	40.1947557615216
2010-01-01	44.4299466412443
2011-01-01	47.3186939791827
2012-01-01	55.9787846840358
2013-01-01	58.6965141493501
2014-01-01	58.0022394490301
2015-01-01	56.5875655431169