Year	Per 100,000 People
1968	21.99
1969	26.1922
1978	44.5327
1979	60.9616
1980	54.2815
1981	53.4527
1982	48.4085
1983	42.725
1984	42.3243
1985	39.2234
1986	42.6164
1987	45.23
1988	46.8928
1989	48.572
1990	45.3657