Year	Per 100,000 People
1961	1.8132
1963	1.664
1964	1.1685
1977	4.9988
1978	3.7828
1979	4.9901
1980	4.283
1982	6.9978
1984	7.3718
1985	7.9796
1986	6.8272
1987	6.5102
1988	8.0973
1991	6.9793