1901-2000 Inches 1 3.17 3.32 -0.15 65 64 1949 1982 1951 1948 normal 2 6.82 6.76 0.06 73 56 1964 2006 1951 1948 normal 3 10.61 10.83 -0.22 62 67 1999 1998 1951 1948 normal 4 15.00 15.04 -0.04 66 63 1915 1998 1951 1948 normal 5 18.55 18.48 0.07 68 61 1915 1998 1951 1948 normal 6 23.22 22.42 0.80 76 53 1957 1998 1951 1948 normal 7 28.04 26.57 1.47 82 46 1957 1998 1951 1948 normal 8 35.78 30.73 5.05 107 21 1966 1998 1951 1920 top-third 9 39.06 34.26 4.80 104 24 1966 2006 1951 1920 top-third 10 41.06 37.86 3.20 89 39 1966 2019 1951 1948 top-third 11 44.48 41.90 2.58 83 45 1966 2019 1951 1938 normal 12 46.30 45.13 1.17 66 62 1966 2019 1951 1948 normal 18 68.55 67.54 1.01 68 60 1966 1984 1951 1948 normal 24 88.25 90.22 -1.97 46 81 1966 2010 1951 1948 normal 36 124.22 135.51 -11.29 18 108 1966 2007 1951 1949 bottom-third 48 161.68 180.72 -19.04 10 115 1966 2007 1945 1951 bottom-tenth 60 209.39 225.85 -16.46 15 109 1967 2010 1951 1949 bottom-third