Year	% of GDP
2005	-15.918889860796565
2006	-17.774206114822462
2007	-24.342238345275717
2008	-27.80602534072732
2009	-23.334313774320968
2010	-32.8531453801277
2011	-26.952075469014446
2012	-21.64481735495659
2013	-17.808183506719725
2014	-12.495575282645511
2015	-11.325583062056305
2016	-13.061959307933355
2017	-20.553070985168915
2018	-28.776857039794475