Year	Per 100,000 People
1968	16.5137
1969	19.6482
1978	32.5238
1979	44.8686
1980	37.6397
1981	38.3298
1982	37.4103
1983	34.8509
1984	35.9745
1985	31.638
1986	35.0901
1987	33.1379
1988	34.3957
1989	35.7288
1990	33.0841