Year	% of GDP
2008	3.0716024049089263
2009	0.6540280843114463
2010	-0.23415997152325943
2011	2.2965587070545093
2012	2.528546943043624
2013	-1.6523282045203498
2014	-2.7604407193633502
2015	2.728960004726849
2016	2.1396932307692307
2017	7.838509182895348
2018	-5.090020365777806
2019	-1.5070822445555914
2020	1.5025950062322069