1901-2000 Inches 1 1.06 1.07 -0.01 75 55 1956 1907 1917 1918 normal 1967 2 2.83 2.18 0.65 97 33 1956 1998 1917 1918 top-third 3 2.97 3.35 -0.38 63 67 2022 1907 1917 1918 normal 4 4.06 4.36 -0.30 65 64 1977 1907 1917 1918 normal 1954 5 4.75 5.25 -0.50 55 74 1977 1907 1917 1918 normal 6 5.88 6.02 -0.14 67 62 1977 2005 1918 1917 normal 1905 7 7.33 6.59 0.74 89 40 1953 1983 1918 1916 top-third 8 7.73 7.18 0.55 83 46 1953 1983 1918 1916 normal 9 8.30 7.72 0.58 84 45 2021 1983 1918 1916 normal 10 9.66 8.42 1.24 100 29 2021 1983 1918 1914 top-third 11 10.63 9.39 1.24 99 30 2021 1983 1918 1914 top-third 12 11.18 10.31 0.87 90 39 1929 1907 1918 1916 top-third 18 16.41 16.32 0.09 65 63 1934 1984 1917 1918 normal 24 21.76 20.61 1.15 86 42 1930 1984 1918 1916 top-third 36 30.20 30.88 -0.68 61 66 1931 1985 1913 1918 normal 48 42.67 41.11 1.56 85 41 1931 1985 1918 1917 top-third 60 52.16 51.36 0.80 80 45 1963 1986 1915 1918 normal