Year	Percent of GDP
1999-01-01	92.121
2000-01-01	55.712
2001-01-01	44.314
2002-01-01	37.472
2003-01-01	28.255
2004-01-01	20.770
2005-01-01	14.809
2006-01-01	9.776
2007-01-01	8.010
2008-01-01	7.425
2009-01-01	9.890
2010-01-01	10.901
2011-01-01	11.165
2012-01-01	11.908
2013-01-01	13.092
2014-01-01	16.038
2015-01-01	16.325
2016-01-01	16.051
2017-01-01	15.530