1901-2000 Inches 1 4.26 3.17 1.09 112 17 1980 1950 1972 1961 top-third 2 8.54 6.70 1.84 109 20 1980 2007 1972 1961 top-third 3 11.60 10.75 0.85 84 45 1998 2015 1972 1968 normal 4 16.64 13.97 2.67 109 20 1998 2015 1972 1957 top-third 5 22.92 16.66 6.26 125 4 2011 2015 1972 1957 top-tenth 6 25.24 18.89 6.35 125 4 2011 2015 1972 1957 top-tenth 7 28.40 21.12 7.28 126 3 2011 2015 1972 1905 top-tenth 8 30.98 23.62 7.36 124 4 2011 2015 1972 1973 top-tenth 9 34.66 26.04 8.62 127 1 1918,2011 1973 1972 1973 highest 10 38.35 28.74 9.61 126 2 1918 2019 1972 1973 top-tenth 11 42.05 31.95 10.10 126 2 1918 2019 1972 1973 top-tenth 12 45.32 34.89 10.43 125 3 1918 2019 1972 1973 top-tenth 18 60.75 53.84 6.91 107 21 1918 2016 1972 1958 top-third 24 81.05 69.86 11.19 118 9 1918 2020 1972 1920 top-tenth 36 112.07 104.76 7.31 99 27 1956 1975 1972 1959 top-third 48 144.45 139.65 4.80 81 44 1956 1975 1972 1962 normal 60 180.35 174.43 5.92 81 43 1956 2019 1972 1962 normal