1901-2000 Inches 1 3.78 3.02 0.76 91 38 1922 1948 1933 1934 top-third 2 5.27 6.29 -1.02 43 86 1931 2015 1933 1934 bottom-third 3 10.74 10.58 0.16 66 63 1931 2018 1933 1934 normal 4 15.48 15.86 -0.38 61 68 1943 2018 1933 1934 normal 5 22.88 21.54 1.34 85 44 2007 2018 1933 1934 normal 6 25.06 26.11 -1.05 57 72 2007 2018 1933 1934 normal 7 28.50 30.10 -1.60 47 82 2007 2018 1933 1934 normal 8 32.57 33.64 -1.07 57 72 2007 2018 1933 1934 normal 9 37.42 37.92 -0.50 62 67 2007 2018 1933 1934 normal 10 40.17 41.75 -1.58 48 81 2007 2020 1933 1934 normal 11 44.01 45.65 -1.64 46 83 2007 2020 1933 1934 normal 12 46.70 49.35 -2.65 43 85 2007 2020 1933 1934 normal 18 76.86 75.44 1.42 79 49 1981 1929 1934 1929 normal 24 98.11 98.73 -0.62 55 72 1931 1929 1934 1929 normal 36 140.28 148.09 -7.81 30 96 1927 2020 1933 1934 bottom-third 48 191.15 197.42 -6.27 35 90 1933 2021 1934 1931 bottom-third 60 232.46 246.73 -14.27 17 107 1954 2020 1934 1932 bottom-third