Year Deaths per 100,000 1953 11.6 1954 11.91 1955 12.14 1956 13.04 1957 13.21 1958 12.86 1959 13.42 1960 13.54 1961 13.08 1962 13.66 1963 14.47 1964 14.62 1965 15.14 1966 15.1 1967 14.96 1968 15.06 1969 15.7 1970 16.08 1971 16.1 1972 17.51 1973 17 1974 16.89 1975 17.23 1976 17.59 1977 18.17 1978 19.16 1979 19.81 1980 18.62 1981 18.48 1982 19.2 1983 20.2 1984 19.85 1985 19.14 1986 20.3 1987 19.91 1988 19.88 1989 19.65 1990 19.95 1991 21.01