1901-2000 Inches 1 1.67 3.75 -2.08 6 124 1963 1983 1896 1898 bottom-tenth 2 7.99 7.65 0.34 80 50 1985 1983 1898 1895 normal 3 13.70 10.70 3.00 111 19 1985 1983 1898 1896 top-third 4 17.45 14.19 3.26 111 19 1985 1983 1898 1899 top-third 5 21.08 17.88 3.20 103 26 1985 1958 1898 1899 top-third 6 27.68 21.28 6.40 118 11 1985 1973 1898 1899 top-tenth 7 33.19 24.63 8.56 122 7 1985 1973 1898 1899 top-tenth 8 35.24 28.37 6.87 113 16 1985 2019 1898 1899 top-third 9 40.69 33.00 7.69 115 14 1985 2019 1898 1899 top-third 10 45.32 37.47 7.85 115 14 2002 2019 1898 1899 top-third 11 47.39 41.19 6.20 105 24 1966 1939 1898 1899 top-third 12 54.16 44.92 9.24 116 13 1966 2019 1898 1899 top-tenth 1990 18 77.79 66.20 11.59 113 15 1966 1953 1898 1899 top-third 24 106.81 89.81 17.00 121 7 1966 1973 1898 1899 top-tenth 36 146.87 134.85 12.02 102 25 1967 2021 1898 1899 top-third 48 185.26 179.93 5.33 76 50 1966 2021 1899 1899 normal 60 -99 224.86 -99 -99 -99 1967 1976 normal