1901-2000 Inches 1 1.56 1.80 -0.24 49 80 1993 1919 1920 1925 normal 2 1.70 2.09 -0.39 43 86 1993 1919 1920 1925 bottom-third 3 2.35 2.43 -0.08 69 60 1963,2020 1919 1924 1925 normal 1937 4 4.70 3.00 1.70 123 6 1993 1919 1925 1921 top-tenth 1912 5 6.45 4.12 2.33 123 6 2002 1912 1925 1919 top-tenth 6 7.04 5.26 1.78 115 14 2002 1905 1925 1919 top-third 7 7.57 6.41 1.16 100 29 2002 1905 1925 1920 top-third 8 8.14 7.59 0.55 84 44 2002 1905 1925 1922 normal 9 8.83 8.44 0.39 83 45 2002 1941 1925 1924 normal 10 10.82 9.31 1.51 98 30 2002 1941 1925 1920 top-third 11 12.59 10.51 2.08 102 26 2002 1941 1925 1920 top-third 12 14.62 12.59 2.03 103 25 2002 1941 1925 1920 top-third 18 19.37 17.86 1.51 93 35 1900 1993 1925 1922 top-third 24 23.52 25.18 -1.66 57 70 1900 1906 1925 1924 normal 36 37.33 37.73 -0.40 74 52 1904 1907 1925 1924 normal 48 48.29 50.23 -1.94 57 68 1902 1908 1925 1924 normal 60 62.26 62.77 -0.51 69 55 1904 1909 1925 1924 normal