1901-2000 Inches 1 2.85 1.21 1.64 124 5 1923 1983 1988 1983 top-tenth 2 3.86 2.52 1.34 113 16 1923 1986 1988 1986 top-third 3 4.98 4.09 0.89 98 31 1908 1906 1988 1986 top-third 4 6.26 5.56 0.70 87 41 1977 1983 1988 1986 top-third 5 9.32 6.86 2.46 113 15 1977 1984 1988 1984 top-third 6 9.32 7.75 1.57 98 30 1977 1983 1988 1986 top-third 2019 7 9.66 8.33 1.33 96 32 1977 1983 1988 1986 top-third 8 9.85 8.71 1.14 94 34 1955 1983 1988 1986 top-third 9 9.96 9.07 0.89 85 43 1955 1983 1988 1986 normal 10 10.93 10.19 0.74 81 47 1955 1983 1988 1986 normal 11 11.58 11.47 0.11 72 56 1929 1983 1988 1986 normal 1919 12 12.68 12.57 0.11 71 57 1929 1999 1988 1986 normal 18 17.91 20.33 -2.42 34 93 1955 1984 1988 1987 bottom-third 24 22.75 25.15 -2.40 37 90 1930 1984 1988 1987 bottom-third 36 32.77 37.67 -4.90 23 103 1931 1984 1977 1988 bottom-third 48 46.98 50.14 -3.16 34 91 1932 1984 1977 1988 bottom-third 60 60.30 62.63 -2.33 50 74 1933 1984 1977 1988 normal