Year	% of GDP
2008	1.838673419203015
2009	2.6100208047814397
2010	2.3311237738620396
2011	2.063109892335613
2012	2.7159715517680203
2013	4.017251079101692
2014	2.6758356178104634
2015	3.5342770112352615
