Year	Per 100,000 People
1973	10.8955
1974	12.1604
1977	13.9198
1980	12.5777
1981	13.484
1982	12.67
1983	12.0915
1984	12.8133
1985	12.6422
1986	13.3314
1987	13.1824
1988	15.3629
1989	14.416
1990	21.7492