1901-2000 Inches 1 7.94 4.34 3.60 124 5 1936 1909 1941 1909 top-tenth 2 9.88 6.88 3.00 119 10 1936 1909 1941 1927 top-tenth 3 10.32 8.30 2.02 101 28 1936 1973 1941 1940 top-third 4 10.62 9.10 1.52 92 37 1936 1927 1939 1941 top-third 5 11.38 9.83 1.55 94 35 1929 1909 1939 1941 top-third 6 13.50 11.55 1.95 98 31 1929 1983,1984 1940 1941 top-third 7 17.29 13.69 3.60 117 12 1929 1984 1940 1941 top-tenth 8 19.48 16.05 3.43 114 15 1929 1984 1940 1941 top-third 9 21.04 19.31 1.73 84 45 1929 1984 1940 1941 normal 10 24.25 22.92 1.33 84 45 1929 1983 1941 1940 normal 11 27.24 27.45 -0.21 67 62 1929 1983 1941 1940 normal 12 33.68 32.09 1.59 83 45 1929 1997 1941 1940 normal 18 47.77 43.68 4.09 100 28 1929 1996 1941 1938 top-third 24 64.73 64.20 0.53 71 56 1929 1997 1940 1941 normal 36 101.71 96.31 5.40 102 24 1930 1997 1941 1904 top-third 48 123.79 128.35 -4.56 40 85 1931 1998 1941 1940 bottom-third 60 157.06 160.31 -3.25 47 77 1932 1999 1940 1941 normal