Year	% of GDP
2010	90.9694963412903
2011	79.2158268523183
2012	63.8958570637249
2013	60.2591313802663
2014	53.9076641989472
2015	58.1118902856722
2016	57.2457146791784
2017	53.2792148989741
2018	44.4761869664958