1901-2000 Inches 1 1.11 1.57 -0.46 38 92 1985 1970 1898 1897 bottom-third 1937,2002 2 3.20 3.04 0.16 77 52 1977 1997 1897 1896 normal 3 4.64 4.34 0.30 80 49 1977 1997 1898 1897 normal 1942 4 5.10 5.23 -0.13 67 62 1977 1982 1896 1897 normal 5 5.58 5.81 -0.23 63 66 1937 1982 1898 1897 normal 6 5.66 6.19 -0.53 54 75 1937 1984 1898 1897 normal 7 5.96 6.55 -0.59 52 77 1937 1984 1898 1897 normal 8 7.27 7.67 -0.40 68 61 1934 1914 1896 1897 normal 9 8.92 8.95 -0.03 69 60 1929 1914 1898 1897 normal 10 9.56 10.05 -0.49 59 70 1929 1914 1898 1897 normal 11 11.28 11.25 0.03 70 59 1934 1984 1896 1897 normal 12 13.66 12.55 1.11 92 37 1955 1984 1896 1897 top-third 18 20.22 18.77 1.45 90 38 1934 1984 1898 1897 top-third 24 27.81 25.14 2.67 105 23 1930 1984 1897 1898 top-third 36 38.88 37.62 1.26 84 43 1931 1984 1898 1898 normal 48 -99 50.13 -99 -99 -99 1932 1985 normal 60 -99 62.61 -99 -99 -99 1933,1934 1985 normal