Year Per 100,000 People 1961 1.2584 1963 1.1748 1964 1.8921 1977 2.6734 1978 2.4528 1979 2.4047 1980 2.5683 1982 6.1166 1984 5.3623 1985 6.8578 1986 7.8369 1987 4.3952 1988 6.7544 1991 6.6867