Year	Percent of GDP
2004-01-01	3.37725763564308
2005-01-01	3.84910585541894
2006-01-01	4.62455770100070
2007-01-01	5.24820204614279
2008-01-01	6.01685496147531
2009-01-01	7.72063782205935
2010-01-01	9.57224208111862
2011-01-01	10.55721295265830
2012-01-01	10.34677440711650
2013-01-01	11.68731746890480
2014-01-01	12.05308383257550
2015-01-01	12.92163006923320
2016-01-01	12.76353848645560
2017-01-01	14.61325354144660