Year	Percent of GDP
2004-01-01	6.2564
2005-01-01	7.6519
2006-01-01	8.3539
2007-01-01	10.1511
2008-01-01	10.2691
2009-01-01	13.0410
2010-01-01	14.6523
2011-01-01	19.1554
2012-01-01	22.9015
2013-01-01	25.1693
2014-01-01	26.0729
2015-01-01	31.2247