Year	Per 100,000 People
1961	11.5523
1963	15.8959
1964	12.0977
1965	10.2387
1966	14.4684
1967	12.8063
1968	13.0539
1969	15.5598
1970	16.9699
1971	13.359
1972	16.2765
1973	18.9539
1974	20.9702
1975	24.06
1977	22.9892
1978	26.2289
1979	26.6199
1980	29.8681
1982	25.9955
1984	22.0909
1985	21.709
1986	18.8787
1987	17.0116
1988	20.3818
1991	22.4432