1901-2000 Inches 1 4.85 4.19 0.66 89 40 1909 2018 1926 1925 top-third 2 8.49 8.36 0.13 65 64 1966 1972 1926 1925 normal 3 12.88 12.28 0.60 74 55 1966 1989 1926 1924 normal 4 16.56 15.93 0.63 76 53 1965 1972 1926 1924 normal 5 19.46 19.42 0.04 59 70 1966 1972 1926 1924 normal 6 22.99 22.02 0.97 77 52 1965 2018 1926 1924 normal 7 25.77 25.07 0.70 74 55 1991 2018 1926 1924 normal 8 28.31 28.17 0.14 65 63 1966 2019 1926 1924 normal 9 32.84 31.37 1.47 82 46 1966 2019 1926 1924 normal 10 37.39 34.55 2.84 95 33 1934 2019 1926 1924 top-third 11 43.34 38.11 5.23 109 19 1965 2019 1926 1908 top-third 12 49.04 41.98 7.06 114 14 1965 2019 1926 1908 top-third 18 66.18 63.96 2.22 79 49 1966 2019 1926 1920 normal 24 84.56 83.89 0.67 63 64 1966 2019 1926 1920 normal 36 121.28 125.92 -4.64 27 99 1966 2019 1926 1924 bottom-third 48 166.51 167.89 -1.38 44 81 1966 2020 1926 1922 normal 60 200.45 209.81 -9.36 18 106 1966 2021 1926 1924 bottom-third