Year	Percent of GDP
2004-01-01	21.8633
2005-01-01	26.1633
2006-01-01	29.5520
2007-01-01	33.1891
2008-01-01	36.4024
2009-01-01	40.2294
2010-01-01	40.4877
2011-01-01	42.2895
2012-01-01	42.2507
2013-01-01	43.1724
2014-01-01	44.9723
2015-01-01	48.4533
2016-01-01	52.2930
2017-01-01	57.7294