Year	Percent of GDP
2004-01-01	33.0505
2005-01-01	28.2981
2006-01-01	29.5762
2007-01-01	28.4676
2008-01-01	26.7159
2009-01-01	49.7943
2010-01-01	40.7640
2011-01-01	37.9429
2012-01-01	42.0724
2013-01-01	44.6081
2014-01-01	49.4900
2015-01-01	55.7119
2016-01-01	62.2833
2017-01-01	61.1654