Year	% of GDP
2006	50.955698124667826
2007	56.08722785244042
2008	62.70824744768048
2009	54.074971601666036
2010	53.56513391283478
2011	52.8530348839788
2012	51.41557243996677
2013	48.8992121302215
2014	65.07443992143244
2015	60.46342783169748
2016	57.15121286524148
2017	61.75232035449761
2018	77.76724437204582