Year	Percent of GDP
2004-01-01	0.2565
2005-01-01	0.3495
2006-01-01	0.4141
2007-01-01	0.4312
2008-01-01	0.6002
2009-01-01	0.7086
2010-01-01	0.7304
2011-01-01	0.8917
2012-01-01	1.0057
2013-01-01	1.1062
2014-01-01	1.1319
2015-01-01	1.2935
2016-01-01	1.2714
2017-01-01	1.3685