Year	Per 100,000 People
1968	17.9156
1969	19.6777
1978	26.9909
1979	35.8488
1980	32.1547
1981	32.4683
1982	31.4483
1983	27.0475
1984	26.3027
1985	25.9635
1986	26.0583
1987	27.2662
1988	28.0317
1989	27.6909
1990	25.5258