Year	Percent of GDP
2004-01-01	8.70084537922706
2005-01-01	2.38808804125226
2006-01-01	4.14310167901234
2007-01-01	1.47454915208497
2008-01-01	2.41489601899368
2009-01-01	8.17962963559389
2010-01-01	16.53895331263750
2011-01-01	22.45917940626550
2012-01-01	24.52095551702340
2013-01-01	23.49083960781520
2014-01-01	23.65270344924190
2015-01-01	22.76133062785240
2016-01-01	21.89171938105000
2017-01-01	21.18249004027850