1901-2000 Inches 1 3.68 4.63 -0.95 40 89 1976 1964 1947 1953 bottom-third 2 7.18 8.97 -1.79 35 94 1976 1996 1952 1953 bottom-third 3 8.83 11.51 -2.68 24 105 1976 1996 1952 1953 bottom-third 4 9.99 12.93 -2.94 21 108 1976 1996 1952 1953 bottom-third 5 11.41 13.73 -2.32 30 99 1936 1996 1952 1953 bottom-third 6 12.16 14.46 -2.30 33 96 1936 1996 1952 1953 bottom-third 7 14.79 16.18 -1.39 50 79 1976 1996 1952 1953 normal 8 16.06 18.32 -2.26 37 92 1935 1996 1952 1953 bottom-third 1986 9 18.41 20.67 -2.26 37 92 1976 1996 1952 1953 bottom-third 10 20.90 23.93 -3.03 29 100 1976 1996 1952 1953 bottom-third 11 24.24 27.54 -3.30 30 99 1935 1996 1952 1953 bottom-third 12 31.19 32.07 -0.88 61 68 1929 1996 1952 1953 normal 18 45.30 46.58 -1.28 55 73 1929 1996 1952 1953 normal 24 69.14 64.19 4.95 106 22 1930 1996 1953 1951 top-third 36 93.33 96.33 -3.00 40 87 1930 1997 1945 1953 bottom-third 48 128.21 128.33 -0.12 69 57 1931 1998 1952 1953 normal 60 168.27 160.34 7.93 106 19 1932 1999 1953 1951 top-third