Year	Percent of GDP
2004-01-01	2.88638773346383
2005-01-01	2.63699963575618
2006-01-01	2.63689045391704
2007-01-01	2.63816956367506
2008-01-01	3.39527788183304
2009-01-01	3.84992826995447
2010-01-01	4.31202645367801
2011-01-01	5.19755454501105
2012-01-01	5.52692213052891
2013-01-01	5.86756777426759
2014-01-01	6.32139003878706
2015-01-01	8.36111450500767