Year	% of GDP
2006	0.741161276967968
2007	0.7563898589092927
2008	-0.13771297364402582
2009	1.3625146208286043
2010	2.5653220668725414
2011	1.1702176471048926
2012	2.1455627798853047
2013	0.07543323167421734
2014	-1.6590224395468804
2015	-0.8366732924459589
2016	0.880648746725359
2017	0.7497398317030035