Year	Per 100,000 People
1968	6.0343
1969	5.501
1978	3.171
1979	3.0514
1980	2.4012
1981	3.1327
1982	3.0003
1983	2.7964
1984	2.6424
1985	2.2431
1986	2.2376
1987	2.2397
1988	2.1388
1989	2.3454
1990	2.768