Year	Percent of GDP
2004-01-01	21.8438840346649
2005-01-01	19.6751589093675
2006-01-01	20.3880602570263
2007-01-01	22.5710641567651
2008-01-01	25.6889812622707
2009-01-01	28.8227324454415
2010-01-01	27.1022458564197
2011-01-01	27.3476933627835
2012-01-01	31.7715920765248
2013-01-01	31.7490869765106
2014-01-01	30.9843158928617
2015-01-01	33.7373989541765
2016-01-01	31.4733109400768
2017-01-01	31.3770959524543