Year	Percent of GDP
2004-01-01	18.0398577526277
2005-01-01	19.9576340663803
2006-01-01	25.8165431226179
2007-01-01	26.1130901402432
2008-01-01	27.3676326707268
2009-01-01	29.4999731262626
2010-01-01	29.1038817259537
2011-01-01	35.8293500492640
2012-01-01	34.8376270472551
2013-01-01	37.2471181280240
2014-01-01	38.7568804443894
2015-01-01	34.0519392411002
2016-01-01	36.7477402984101
2017-01-01	39.9596774100146
2018-01-01	39.9232909726714
2019-01-01	38.4770373813210