1901-2000 Inches 1 1.62 2.60 -0.98 15 114 1946 2013 1931 1930 bottom-third 2 3.08 4.64 -1.56 9 120 1915 2011 1915 1931 bottom-tenth 3 4.77 6.14 -1.37 19 110 1895 1976 1931 1930 bottom-third 4 7.81 7.95 -0.14 57 72 1958 2013 1931 1929 normal 5 9.63 9.94 -0.31 53 75 1987 1950 1931 1929 normal 6 13.52 12.52 1.00 75 53 1987 1950 1931 1929 normal 7 16.52 15.23 1.29 84 44 1931 2020 1931 1929 normal 8 21.72 18.60 3.12 108 20 1931 2020 1931 1929 top-third 9 23.57 21.74 1.83 90 38 1931 2020 1931 1929 top-third 10 25.51 24.79 0.72 65 63 1931 2017 1931 1929 normal 11 29.09 28.06 1.03 68 60 1931 2020 1931 1929 normal 12 32.20 31.12 1.08 68 60 1931 2020 1931 1929 normal 18 39.84 43.64 -3.80 17 110 1931 2020 1931 1930 bottom-third 24 53.22 62.25 -9.03 5 122 1931 2020 1931 1930 bottom-tenth 36 80.78 93.39 -12.61 1 125 1932 2020 1932 1931 lowest 48 116.97 124.52 -7.55 19 106 1937 2020 1927 1931 bottom-third 60 150.08 155.67 -5.59 32 92 1935 2020 1931 1930 bottom-third