Year	Per 100,000 People
1968	0.5353
1969	0.4481
1978	0.4318
1979	0.5052
1980	0.6221
1981	0.7658
1982	0.7661
1983	0.3835
1984	0.5814
1985	0.4498
1986	0.784
1987	0.443
1988	0.3893
1989	0.4947
1990	0.5119