Year Per 100,000 People 1971 8.5117 1975 14.3834 1976 13.3776 1977 12.2284 1978 15.484 1979 51.8235 1980 62.6021 1981 58.479 1982 44.3899 1984 84.797 1985 51.2764 1990 5.7219