Year	Per 100,000 People
1961	5.0336
1963	6.2655
1964	4.1626
1977	11.6989
1978	11.6116
1979	6.1651
1980	7.261
1982	13.2779
1984	14.059
1985	16.6928
1986	16.1965
1987	17.1298
1988	17.3752
1991	15.2842