Year	Per 100,000 People
1971	18.5927
1975	19.6866
1976	16.892
1977	20.2489
1978	24.0079
1979	30.3043
1980	26.6717
1981	22.5992
1982	22.9969
1984	10.1371
1985	9.8651
1990	5.2439