Year	% of GDP
2005	59.496284960947484
2006	63.390652477035324
2007	60.853442064008156
2008	69.46675819540847
2009	60.68401394279768
2010	55.53953322184414
2011	72.9856712615926
2012	80.79582169172652
2013	74.29898278992837
2014	75.93212143478712
2015	68.49411643174254
2016	62.995509914547966
2017	59.62968927937268
2018	63.24600086594646