Year	Per 100,000 People
1961	13.9639
1963	19.9424
1964	16.6568
1977	43.0733
1978	47.65
1979	48.8679
1980	53.3377
1982	47.6685
1984	39.9427
1985	39.0793
1986	38.4418
1987	35.1099
1988	40.9707
1991	40.6773