Year	Percent of GDP
2004-01-01	9.5907
2005-01-01	14.8427
2006-01-01	19.4852
2007-01-01	26.7755
2008-01-01	31.5969
2009-01-01	29.0196
2010-01-01	29.8899
2011-01-01	31.6296
2012-01-01	33.1888
2013-01-01	38.6412
2014-01-01	43.8545
2015-01-01	49.1403
2016-01-01	55.1266