Year	Per 100,000 People
1961	1.0258
1963	1.0531
1964	0.8424
1977	3.7106
1978	3.0036
1979	3.5144
1980	3.1373
1982	5.2639
1984	5.2318
1985	5.3446
1986	4.949
1987	4.5909
1988	5.4951
1991	5.2039