1901-2000 Inches 1 0.30 1.21 -0.91 6 123 1923 1983 1898 1910 bottom-tenth 2 1.23 2.52 -1.29 14 115 1923 1986 1908 1910 bottom-third 3 3.86 4.09 -0.23 64 65 1908 1906 1908 1910 normal 4 5.20 5.56 -0.36 57 71 1977 1983 1908 1910 normal 5 7.92 6.86 1.06 90 38 1977 1984 1909 1910 top-third 1952 6 8.76 7.75 1.01 89 39 1977 1983 1909 1910 top-third 7 10.14 8.33 1.81 106 22 1977 1983 1909 1910 top-third 8 10.14 8.71 1.43 97 31 1955 1983 1909 1910 top-third 9 10.31 9.07 1.24 95 33 1955 1983 1909 1910 top-third 1919 10 10.43 10.19 0.24 72 56 1955 1983 1908 1910 normal 11 11.19 11.47 -0.28 61 67 1929 1983 1908 1910 normal 1927 12 12.25 12.57 -0.32 60 68 1929 1999 1908 1910 normal 18 21.64 20.33 1.31 84 43 1955 1984 1910 1907 normal 24 25.06 25.15 -0.09 70 57 1930 1984 1909 1910 normal 36 38.32 37.67 0.65 76 50 1931 1984 1910 1908 normal 48 48.04 50.14 -2.10 50 75 1932 1984 1901 1910 normal 60 62.90 62.63 0.27 73 51 1933 1984 1903 1910 normal