Year	Percent of GDP
2004-01-01	4.4407
2005-01-01	8.6702
2006-01-01	19.5332
2007-01-01	31.6317
2008-01-01	21.9122
2009-01-01	21.8791
2010-01-01	23.5300
2011-01-01	24.1135
2012-01-01	27.0209
2013-01-01	27.4696
2014-01-01	28.4274
2015-01-01	28.6871
2016-01-01	29.1053
2017-01-01	29.1053