ammy 1959 25.5 35.8 30.2 24.2 25.6 22.8 42.2 31.6 37.0 28.3 33.0 31.7 30.6 ammy 1960 25.7 23.5 27.3 53.5 31.5 27.4 27.4 27.9 27.1 45.0 44.5 32.2 32.7 ammy 1961 19.5 24.1 21.3 20.7 21.1 20.3 34.4 17.8 19.4 22.0 15.7 19.6 21.3 ammy 1962 13.0 18.4 14.0 21.6 12.8 17.1 19.9 24.9 27.8 29.9 20.4 21.1 20.1 ammy 1963 17.3 13.9 13.2 15.4 17.9 17.9 19.5 21.2 38.0 22.2 19.0 16.9 19.4 ammy 1964 17.9 17.5 19.0 19.7 15.9 13.7 15.4 13.3 16.2 15.0 12.5 9.3 15.4 ammy 1965 10.9 14.7 13.2 11.5 9.8 14.9 13.6 14.8 16.2 11.8 10.9 12.3 12.9 ammy 1966 12.8 13.2 17.8 11.1 14.0 11.6 15.4 18.2 28.2 16.2 15.4 18.5 16.1 ammy 1967 17.7 18.4 12.0 14.0 32.8 17.8 12.8 15.3 24.0 16.8 17.4 23.2 18.5 ammy 1968 19.3 25.1 21.9 20.2 21.5 24.3 16.4 18.5 21.1 24.1 25.1 17.7 21.2 ammy 1969 15.3 23.5 26.1 22.4 23.6 15.7 12.4 13.5 21.7 14.5 16.9 11.9 18.1 ammy 1970 12.5 11.2 24.9 21.0 14.1 16.2 25.5 18.5 17.6 19.2 19.9 14.9 18.0 ammy 1971 21.0 19.0 18.4 23.2 20.3 15.8 13.8 15.9 20.1 19.4 17.0 18.2 18.5 ammy 1972 20.6 16.9 18.9 17.3 16.2 21.0 12.9 32.2 19.4 19.4 21.1 16.9 19.4 ammy 1973 25.0 29.8 34.9 39.5 25.9 26.5 20.4 20.1 21.9 27.4 20.1 19.2 25.8 ammy 1974 24.1 25.2 33.7 31.5 28.0 27.2 33.2 30.3 33.5 37.2 27.1 26.1 29.8 ammy 1975 25.9 29.5 30.8 24.7 23.3 19.8 21.4 17.9 15.9 18.4 28.8 20.3 23.0 ammy 1976 22.0 26.8 33.4 26.4 22.9 16.9 16.2 16.0 21.8 19.2 15.2 18.1 21.2 ammy 1977 18.5 20.0 18.7 25.0 18.9 13.9 22.9 22.6 23.9 20.7 16.9 16.8 19.9 ammy 1978 24.6 25.4 25.9 32.2 32.5 28.3 18.9 24.3 26.8 19.7 24.3 22.1 25.4 ammy 1979 26.5 24.2 27.6 35.3 21.6 17.4 17.9 25.9 21.1 18.6 16.9 16.2 22.4 ammy 1980 18.0 17.9 11.8 17.3 15.1 19.4 16.1 15.8 13.7 22.6 22.4 22.5 17.7 ammy 1981 16.4 23.3 28.4 35.9 28.3 17.7 28.7 24.2 19.8 34.5 24.9 18.6 25.1 ammy 1982 20.7 48.2 26.8 31.8 26.0 32.1 43.7 32.2 50.4 29.0 34.5 35.6 34.1 ammy 1983 25.7 39.3 34.3 35.2 32.0 24.1 21.8 25.8 23.0 27.3 32.0 24.1 28.6 ammy 1984 20.6 25.7 30.5 34.1 26.5 23.8 26.8 25.7 33.1 33.3 31.5 28.0 28.3 ammy 1985 25.0 23.3 17.8 30.3 14.8 19.4 24.4 22.3 20.8 23.0 23.5 21.4 22.1 ammy 1986 21.3 40.5 20.7 13.4 18.4 15.2 15.0 22.5 25.6 18.0 20.7 14.7 20.4 ammy 1987 13.5 16.6 16.9 11.8 13.5 12.8 17.3 23.5 29.7 24.7 21.3 14.9 18.0 ammy 1988 21.0 22.4 23.3 24.4 18.7 18.1 18.4 19.1 20.0 20.9 22.1 24.6 21.1