Year	Per 100,000 People
1968	13.4509
1969	15.6171
1978	14.0857
1979	13.501
1980	14.677
1981	15.5517
1982	15.2931
1983	16.438
1984	14.3409
1985	15.6369
1986	15.6828
1987	16.2124
1988	15.3414
1989	15.7636
1990	14.6696