Year	% of GDP
1976	4.048031544960981
1977	3.5154562792219215
1978	3.253186328385635
1979	2.503525372992489
1980	2.8978126631982426
1981	3.3294260378406935
1982	3.796444525780263
1983	4.944563588902855
1984	4.350280874317369
1985	4.429199754909138
1986	4.178588832874827
1987	2.7999717717767343
1988	2.5645045772571375
1989	1.7761029936142594
1990	2.7798987194918094
1991	2.9713771727361067
1992	3.6647727090808
1993	3.9835597046370763