1901-2000 Inches 1 0.77 1.80 -1.03 8 121 1993 1919 1902 1939 bottom-tenth 2 1.38 2.09 -0.71 30 99 1993 1919 1939 1938 bottom-third 1962,1979 3 1.70 2.43 -0.73 25 104 1963,2020 1919 1939 1938 bottom-third 4 2.48 3.00 -0.52 44 85 1993 1919 1939 1937 normal 5 2.72 4.12 -1.40 22 107 2002 1912 1939 1938 bottom-third 6 4.44 5.26 -0.82 47 82 2002 1905 1939 1938 normal 1896 7 5.23 6.41 -1.18 50 79 2002 1905 1939 1938 normal 8 5.56 7.59 -2.03 28 100 2002 1905 1934 1939 bottom-third 9 6.74 8.44 -1.70 36 92 2002 1941 1939 1938 bottom-third 10 7.14 9.31 -2.17 31 97 2002 1941 1939 1938 bottom-third 11 10.11 10.51 -0.40 68 60 2002 1941 1939 1937 normal 12 12.02 12.59 -0.57 67 61 2002 1941 1939 1937 normal 18 15.55 17.86 -2.31 45 83 1900 1993 1934 1939 normal 24 21.49 25.18 -3.69 36 91 1900 1906 1939 1938 bottom-third 36 32.80 37.73 -4.93 28 98 1904 1907 1904 1939 bottom-third 48 46.86 50.23 -3.37 47 78 1902 1908 1936 1939 normal 60 59.48 62.77 -3.29 54 70 1904 1909 1929 1939 normal