Year	% of GDP
2009	15.766390811388096
2010	15.71552526195525
2012	14.68264654399112
2013	15.845310404100285
2014	16.160986949658156
2015	14.648909589678453
2016	13.84630306565798
2017	14.01614197686364
2018	12.357660119947063
2019	13.377842765688914