Year	Percent of GDP
2005-01-01	1.5609
2006-01-01	1.5977
2007-01-01	1.6657
2008-01-01	1.7939
2009-01-01	2.1101
2010-01-01	2.2762
2011-01-01	2.3999
2012-01-01	2.2591
2013-01-01	3.0597
2014-01-01	3.3660
2015-01-01	3.5644
2016-01-01	3.8586