Year	Per 100,000 People
1968	1.378
1969	1.0663
1978	0.6646
1979	0.5556
1980	0.6521
1981	0.7746
1982	0.9888
1983	0.5956
1984	0.4087
1985	0.5157
1986	0.5941
1987	0.3574
1988	0.4159
1989	0.4326
1990	0.3705