Year	% of GDP
2006	11.175698539535842
2007	9.518056459162368
2008	39.6170926957008
2009	28.96107382946826
2010	31.407078918644366
2011	34.954389018048474
2012	25.161012646225405
2013	22.75840987493975
2014	15.057268096223918
2015	18.512122705048036