Year	Per 100,000 People
1961	21.0078
1962	23.041
1963	18.4707
1964	20.715
1965	23.4591
1969	28.0987
1970	26.7065
1971	30.2906
1972	30.6942
1973	23.6999
1974	26.1791
1975	22.0634
1976	28.0193
1977	20.3037
1979	23.2248
1980	25.0474
1981	24.2521
1982	21.9956
1983	19.6702
1984	18.4688
1985	20.5068
1986	22.6753
1987	25.078
1988	24.4728
1989	21.461
1990	20.4159
1991	21.3323
1992	22.6649