Year	% of GDP
1978	169.06101113082076
1986	219.44416971291142
1987	231.35858844847436
1988	239.2177409893569
1989	246.76370290898635
1991	245.99994201810276
1992	253.01350640282504
1993	262.6970187786744
1994	268.6438126220865