Year	% of GDP
2001	136.997515984237
2002	142.109582808693
2003	148.997874456426
2004	157.520130893317
2005	164.621162751437
2006	164.228136023512
2007	182.455222313743
2008	180.029141004762
2009	204.810176012496
2010	215.646751263715
2011	221.421012953221
2012	231.375446807338
2013	206.903490430198
2014	215.465334445172
2015	204.41023872187
2016	207.174833447921
2017	190.551056295096
2018	176.65892803851