Year	% of GDP
2005	9.643634147420476
2006	12.610197349724434
2007	11.967098074146728
2008	13.203221872407896
2009	13.36152643182888
2010	12.224980164733076
2011	10.488779233481305
2012	11.068797055663609
2013	9.891990685463687
2014	10.294068473309338
2015	4.012510173872267
2016	6.1417453013769645