Year	% of GDP
2005	71.27365190993778
2006	57.46754106661602
2007	53.507963376407695
2008	48.35921391372107
2009	49.51164322674299
2010	49.37165823895688
2011	48.47131351153608
2012	48.65450560903479
2013	50.06714761678697
2014	55.212982897103004
2015	67.09688670996051
2016	76.30410742008353
2017	78.5356293201468
2018	85.34405871833886
2019	92.92651763915883