Year Per 100,000 People 1962 1.0755 1967 1.1027 1968 1.3152 1971 2.3112 1972 1.5842 1973 1.549 1974 1.549 1975 1.0226 1978 1.0508 1979 3.1485 1981 2.9909 1982 1.2782 1984 1.5643 1985 1.265 1987 1.497 1991 4.7316 1992 1.5662 1994 1.6212