1901-2000 Inches 1 2.87 4.56 -1.69 29 100 1936 1989 1980 1987 bottom-third 2 4.41 9.71 -5.30 3 126 1917 1989 1917 1987 bottom-tenth 3 8.80 14.55 -5.75 11 118 1998 1991 1985 1987 bottom-tenth 4 16.76 19.51 -2.75 44 85 1925 1991 1985 1987 normal 5 23.76 24.13 -0.37 65 64 1925 1991 1986 1987 normal 6 26.88 29.27 -2.39 55 74 2011 1991 1986 1987 normal 7 31.93 34.75 -2.82 51 77 2011 1991 1986 1987 normal 8 40.38 39.01 1.37 72 56 1904 1991 1986 1987 normal 9 41.99 42.45 -0.46 57 71 1925 1983 1986 1987 normal 1962 10 44.74 46.55 -1.81 47 81 1925 1983 1985 1987 normal 11 49.80 51.22 -1.42 48 80 1925 1983 1982 1987 normal 12 54.85 56.90 -2.05 48 80 1925 1983 1982 1987 normal 18 87.09 86.35 0.74 72 56 1925 1992 1987 1984 normal 24 118.01 113.99 4.02 76 51 1918 1975 1986 1987 normal 36 176.46 171.06 5.40 78 48 1918 1975 1986 1987 normal 48 231.36 228.11 3.25 71 54 1918 1975 1984 1987 normal 60 287.33 284.93 2.40 70 54 1918 1993 1985 1987 normal