Year	% of GDP
2005	81.00501400950468
2006	83.47216377238531
2007	88.88944600494375
2008	88.86965795986266
2009	86.7481931970584
2010	96.22549235992116
2011	89.17483883427239
2012	89.44410646372322
2013	87.32271327178171
2014	86.7057432625832
2015	84.95557105814369
2016	84.42066941285495
2017	89.65632631720368
2018	87.70779643399506