year,deaths
1960,5.1
1961,5.1
1962,5.1
1963,5.3
1964,5.4
1965,5.3
1966,5.5
1967,5.4
1968,5.2
1969,4.9
1970,4.7
1971,4.5
1972,4.3
1973,4.1
1974,3.5
1975,3.4
1976,3.3
1977,3.3
1978,3.3
1979,3.3
1980,3.3
1981,3.2
1982,2.8 
1983,2.6
1984,2.6
1985,2.5
1986,2.5
1987,2.4
1988,2.3
1989,2.2
1990,2.1
1991,1.9
1992,1.8
1993,1.8
1994,1.7