Year	Per 100,000 People
1968	13.2795
1969	14.3951
1978	13.6451
1979	13.7666
1980	14.1516
1981	15.0426
1982	15.3113
1983	15.2253
1984	15.4389
1985	14.9642
1986	14.8458
1987	15.853
1988	14.9995
1989	15.0371
1990	13.862