Year	% of GDP
2011	6.88081098040948
2012	8.759649166099392
2013	4.339874795937545
2014	3.8527250833367477
2015	2.74696825866441
2016	3.576986174180334
2017	1.4142547444142954
2018	2.463445650461522
2019	0.331876199231459
2020	-1.8914179625407708
