Year Per 100,000 People 1960 2.5107 1961 10.7882 1964 5.6662 1966 3.0164 1967 6.3689 1968 3.1819 1969 6.3495 1971 6.5389 1972 8.8654 1974 3.2106 1977 8.5889 1978 8.6949 1980 3.3482 1982 2.1863 1983 8.0858 1984 3.6365 1985 1.7819 1986 5.7958 1987 4.96 1988 12.4035 1989 10.6064 1990 8.4774 1991 7.0607 1992 12.0329 1993 6.3155 1994 7.0245 1995 6.1603