Year	% of GDP
2005	63.791623864380156
2006	62.36905919996555
2007	66.80162673598889
2008	71.08832247441681
2009	86.85426265986355
2010	95.62389502318501
2011	100.14638093482387
2012	112.4664379981031
2013	120.06397060313402
2014	129.2033209265347
2015	141.02145095973475
2016	146.4600534195056