Year	% of GDP
2001	116.620969976948
2002	115.812618608907
2003	118.278746478946
2004	118.891684873996
2005	124.276005418713
2006	131.220412725521
2007	140.000112705176
2008	147.563494952661
2009	154.123379375114
2010	169.173664166826
2011	170.83362642152
2012	170.522474912373
2013	157.744870301156
2014	159.202934493898
2015	152.993859002305
2016	153.58186599103
2017	147.473526202849
2018	144.200457012075