Year	Per 100,000 People
1968	21.6248
1969	25.3141
1978	39.3245
1979	53.7631
1980	47.0433
1981	46.9975
1982	45.2773
1983	40.7199
1984	40.2055
1985	38.0204
1986	38.7566
1987	39.0359
1988	40.1623
1989	40.5239
1990	38.8094