Year	Percent of GDP
2004-01-01	33.1122
2005-01-01	34.7724
2006-01-01	36.3635
2007-01-01	37.7463
2008-01-01	42.4486
2009-01-01	47.2981
2010-01-01	48.9266
2011-01-01	45.1179
2012-01-01	44.0171
2013-01-01	45.9853
2014-01-01	45.3938
2015-01-01	46.6896
2016-01-01	52.9593
2017-01-01	61.9891