Year	% of GDP
1980	358.660324391765
1981	375.378586217096
1982	355.266511492581
1983	299.499632082414
1984	164.104274611399
1985	138.492467877714
1986	128.821210329194
1987	145.891900191939
1988	144.534315049986
1989	153.164001400724
1990	168.079626113626
1991	159.7916393966
1992	161.332614832774
1993	146.853936082883
1994	156.946139113148
2006	115.769000620705
2007	184.093296008231
2008	178.140230987225
2009	136.112082174741
2010	142.982506970892
2011	170.76555052671
2012	160.503091123231
2013	161.075360547118
2014	163.721161540339
2015	143.920129747872
2016	143.763061129466
2017	139.859109262917