Year	Percent of GDP
2004-01-01	55.4532
2005-01-01	59.8082
2006-01-01	63.3778
2007-01-01	71.2075
2008-01-01	69.6676
2009-01-01	67.0234
2010-01-01	60.8456
2011-01-01	58.7440
2012-01-01	55.7271
2013-01-01	60.1820
2014-01-01	67.7946
2015-01-01	74.0029
2016-01-01	72.8304