Year	% of GDP
2008	49.54163535111212
2009	67.78505319426054
2010	49.78487721527024
2011	30.366652348005445
2012	34.49771042926504
2013	48.582994152765494
2014	26.25284121185487
2015	-19.68068648726474
2016	2.131769784981943
2017	12.902788296466566
2018	6.417322797510049