Year	% of GDP
2004	1.4069307320331899
2008	1.2169228929431084
2014	-0.21752888302557566
2015	0.4986468306150468
2016	1.069838861560994
2017	-0.19683503536869623
2018	-0.30684148844674397
2019	-3.5009241463169465
2020	0.09859505403159854
2021	3.6312878924348557