Year	Per 100,000 People
1968	3.7727
1969	3.4824
1978	2.2085
1979	2.1213
1980	1.7106
1981	2.2261
1982	2.1414
1983	1.925
1984	1.8683
1985	1.6796
1986	1.7145
1987	1.7365
1988	1.6267
1989	1.6552
1990	1.8696