Year	Per 100,000 People
1961	1.49
1963	0.9411
1964	1.4165
1965	1.117
1966	3.0317
1967	3.3468
1968	3.1832
1969	3.3313
1970	3.663
1971	3.4348
1972	3.3842
1973	3.0591
1974	5.1105
1975	3.735
1977	4.6535
1978	1.6249
1979	2.6158
1980	1.7115
1982	5.0303
1984	5.7014
1985	6.273
1986	3.7121
1987	5.3161
1988	6.5085
1991	5.464