Year	Percent of GDP
1998-01-01	15.8125877820581
1999-01-01	19.1589105419314
2000-01-01	19.3990605288675
2001-01-01	21.5266095105310
2002-01-01	21.4197104743303
2003-01-01	22.4078100883182
2004-01-01	23.9805239849922
2005-01-01	20.8220033318481
2006-01-01	21.7942013188202
2007-01-01	21.6917917142987
2008-01-01	37.0991940605399
2009-01-01	62.2094182959434
2010-01-01	74.9757996856496
2011-01-01	65.6337571634741
2012-01-01	62.4385602873645
2013-01-01	59.1422159992518
2014-01-01	63.2792388343513
2015-01-01	56.8605250210532