1901-2000 Inches 1 0.37 1.21 -0.84 12 118 1923 1983 1923 1940 bottom-tenth 2 2.24 2.52 -0.28 63 67 1923 1986 1939 1940 normal 3 3.96 4.09 -0.13 71 59 1908 1906 1939 1940 normal 1927 4 5.11 5.56 -0.45 54 75 1977 1983 1939 1940 normal 5 6.40 6.86 -0.46 62 67 1977 1984 1939 1940 normal 6 9.28 7.75 1.53 97 32 1977 1983 1939 1940 top-third 7 11.77 8.33 3.44 124 5 1977 1983 1940 1941 top-tenth 8 11.78 8.71 3.07 121 8 1955 1983 1940 1904 top-tenth 9 12.09 9.07 3.02 121 8 1955 1983 1940 1904 top-tenth 10 12.63 10.19 2.44 115 14 1955 1983 1940 1914 top-third 11 12.77 11.47 1.30 94 35 1929 1983 1940 1938 top-third 12 14.53 12.57 1.96 106 23 1929 1999 1940 1938 top-third 1906 18 24.72 20.33 4.39 117 11 1955 1984 1940 1941 top-tenth 24 26.83 25.15 1.68 91 37 1930 1984 1940 1927 top-third 36 38.23 37.67 0.56 74 53 1931 1984 1939 1940 normal 48 53.04 50.14 2.90 95 31 1932 1984 1940 1917 top-third 60 62.73 62.63 0.10 72 53 1933 1984 1940 1928 normal