Year	% of GDP
2001	69.04352361021792
2002	71.5191819489214
2003	68.32410419522536
2004	69.50849161424611
2005	64.2153817245223
2006	62.94458160429459
2007	66.83077504468447
2008	65.67968422791883
2009	62.52175002343198
2010	50.46038063042416
2011	46.989011295704614
2012	40.78076310091958
2013	43.78748964485485
2014	45.95200875304711
2015	46.2725441064774
2016	47.110818261496014
2017	49.88350747480707
2018	49.553632771789864
2019	51.447254164606484
2020	54.62080268094021