Year Per 100,000 People 1966 5.3492 1967 6.662 1968 7.6573 1969 7.8908 1970 7.5909 1977 7.175 1978 4.8462 1979 4.6098 1980 4.5388 1981 5.0442 1982 5.6687 1983 5.5806 1984 5.9323 1985 6.7263 1986 7.0014 1987 6.4739 1988 6.5773 1989 6.7731 1990 6.4059 1991 4.6913 1992 5.301 1993 5.1722 1994 5.6346 1995 5.1192 1996 5.3059