1901-2000 Inches 1 1.39 0.87 0.52 110 19 1929 1909 1995 1994 top-third 1900 2 2.27 1.65 0.62 104 25 1929 1946 1995 1987 top-third 3 2.54 2.22 0.32 90 39 1929 1982 1995 1994 top-third 1944,1974 4 2.65 2.82 -0.17 61 68 1995 1983 1995 1994 normal 1971 5 3.18 3.36 -0.18 64 65 2020 1983 1995 1994 normal 6 3.51 4.05 -0.54 48 81 2020 1982 1995 1993 normal 1926,1989 7 4.92 5.03 -0.11 76 53 2020 1998 1994 1995 normal 8 5.52 5.94 -0.42 60 69 1924 1941 1993 1995 normal 9 6.73 7.01 -0.28 66 63 1966 1998 1993 1995 normal 10 8.17 8.12 0.05 77 52 1966 1998 1994 1995 normal 11 9.92 9.28 0.64 83 46 1966 1998 1994 1995 normal 12 11.53 10.30 1.23 97 31 1924 1998 1994 1995 top-third 18 14.16 14.35 -0.19 67 61 1929 1983 1994 1995 normal 24 24.80 20.59 4.21 117 10 1929 1983 1995 1984 top-tenth 36 33.69 30.91 2.78 100 26 1955 1984 1994 1995 top-third 2005 48 45.72 41.15 4.57 105 20 1929 1998 1995 1986 top-third 60 54.34 51.38 2.96 94 30 2003 1984 1995 1987 top-third