Year	Per 100,000 People
1968	5.9428
1969	6.6617
1978	10.3444
1979	14.4026
1980	12.497
1981	12.3538
1982	11.5519
1983	10.3549
1984	10.408
1985	9.7837
1986	10.6283
1987	10.8463
1988	11.0112
1989	11.4381
1990	10.5573