1901-2000 Inches 1 4.07 4.98 -0.91 37 92 1924 1916 1978 1979 bottom-third 2 7.71 9.07 -1.36 35 94 1930 1989 1969 1979 bottom-third 1921 3 14.41 13.82 0.59 81 48 1897 1989 1977 1979 normal 4 23.73 19.10 4.63 103 26 1897 1900 1978 1979 top-third 5 37.74 25.06 12.68 127 2 1925 1991 1979 1980 top-tenth 6 40.32 30.07 10.25 121 8 1925 1991 1978 1979 top-tenth 7 46.16 35.35 10.81 121 8 1986 1991 1978 1979 top-tenth 8 50.21 40.93 9.28 114 14 1986 1983 1978 1979 top-third 9 57.63 45.14 12.49 118 10 1986 1983 1978 1979 top-tenth 10 59.82 48.10 11.72 115 13 1918 1983 1978 1979 top-tenth 11 66.70 51.53 15.17 119 9 1918 1983 1979 1974 top-tenth 12 70.61 55.46 15.15 118 10 1925 1983 1979 1974 top-tenth 18 111.04 85.75 25.29 127 1 1925 1980 1979 1980 highest 24 138.48 111.15 27.33 123 4 1918 2020 1979 1975 top-tenth 36 197.26 166.84 30.42 121 5 1956 1975 1979 1975 top-tenth 48 248.02 222.43 25.59 113 12 1957 2021 1979 1976 top-tenth 60 304.57 277.79 26.78 107 17 1956 1975 1979 1978 top-third