Year	Percent of GDP
2004-01-01	12.1938
2005-01-01	15.2574
2006-01-01	15.8734
2007-01-01	16.2408
2008-01-01	13.5303
2009-01-01	14.9544
2010-01-01	12.4571
2011-01-01	11.1307
2012-01-01	10.4469
2013-01-01	11.0925
2014-01-01	13.2046
2015-01-01	19.3297
2016-01-01	21.6137