Year Deaths per 100,000 1968 13.4145 1969 15.5943 1978 24.2924 1979 33.2872 1980 29.1226 1981 29.173 1982 28.0004 1983 25.1529 1984 24.9279 1985 23.5072 1986 24.2981 1987 24.5474 1988 25.1721 1989 25.5659 1990 24.326