Year	% of GDP
2005	0.189070001244545
2006	0.31742000579834
2007	0.201100006699562
2008	0.238030001521111
2009	0.240140005946159
2010	0.188229992985725
2011	0.152960002422333
2012	0.250099986791611
2013	0.31852999329567
2014	0.337130010128021
2015	0.439999997615814
2016	0.689999997615814