Year	Percent of GDP
1996-01-01	22.204
1997-01-01	19.064
1998-01-01	21.671
1999-01-01	15.931
2000-01-01	11.893
2001-01-01	11.684
2002-01-01	21.579
2003-01-01	19.451
2004-01-01	16.201
2005-01-01	12.969
2006-01-01	11.885
2007-01-01	11.375
2008-01-01	9.059
2009-01-01	10.101
2010-01-01	11.714
2011-01-01	8.936
2012-01-01	12.126
2013-01-01	10.715
2014-01-01	11.822
2015-01-01	38.415
2016-01-01	47.470
2017-01-01	39.530