Year	Per 100,000 People
1961	14.9584
1963	10.3242
1964	7.4544
1965	8.0951
1966	9.6249
1967	11.0154
1968	12.3893
1969	15.2241
1970	21.092
1971	17.4083
1972	14.5255
1973	12.6927
1974	14.7877
1975	16.3718
1977	14.8334
1978	13.4574
1979	12.4155
1980	11.0815
1982	15.6015
1984	18.4494
1985	16.4282
1986	20.3755
1987	19.1336
1988	18.6293
1991	21.3182