Year	Percent of GDP
2004-01-01	33.0512
2005-01-01	29.4954
2006-01-01	30.1129
2007-01-01	37.1961
2008-01-01	36.6981
2009-01-01	49.2655
2010-01-01	44.4489
2011-01-01	44.9785
2012-01-01	45.7889
2013-01-01	48.5936
2014-01-01	54.5502
2015-01-01	70.5801
2016-01-01	81.3591