1901-2000 Inches 1 1.14 0.38 0.76 123 6 1909,1910,1955,1969 1965 1989 1983 top-tenth 1941 2 1.40 0.74 0.66 117 12 1931 1976 1989 1983 top-tenth 3 1.91 1.85 0.06 81 48 1919 1913 1989 1987 normal 4 3.47 3.12 0.35 78 51 1919 1998 1989 1987 normal 1911,1997 5 4.90 4.22 0.68 93 36 1924 1998 1989 1984 top-third 1956,1976 6 5.69 5.43 0.26 78 51 1924 1998 1988 1989 normal 1979 7 6.36 6.74 -0.38 59 70 1924 1998 1988 1989 normal 8 7.32 8.31 -0.99 46 83 1966 1998 1988 1989 normal 9 7.51 9.78 -2.27 29 99 1966 1998 1988 1989 bottom-third 10 8.20 11.09 -2.89 22 106 1924 1984 1988 1989 bottom-third 11 8.92 11.97 -3.05 21 107 1966 1983 1988 1989 bottom-third 12 9.98 12.55 -2.57 26 102 1966 1983 1988 1989 bottom-third 18 16.27 17.99 -1.72 49 79 1934 1984 1988 1989 normal 24 23.08 25.13 -2.05 50 77 1955 1984 1989 1987 normal 36 31.33 37.70 -6.37 15 111 1931 1984 1968 1989 bottom-third 48 43.27 50.19 -6.92 15 110 1933 1984 1969 1989 bottom-third 60 57.23 62.66 -5.43 22 102 1933 1984 1970 1989 bottom-third