Year	% of GDP
2012	7.1406577103465
2013	4.4744080032581675
2014	4.728757531618006
2015	1.9742663921395252
2016	-0.08139407602300348
2017	-0.33502739712677
2018	0.5523170233720816
2019	-2.509562188734837
2020	-1.9649523882617883
2021	-1.1914404552978182