1901-2000 Inches 1 1.30 1.14 0.16 93 37 1981 1969 1992 1993 top-third 1895,1936 2 2.09 2.39 -0.30 42 87 1961 1969 1990 1993 bottom-third 3 3.73 4.22 -0.49 46 83 2003 2016 1990 1993 normal 4 5.29 6.52 -1.23 30 99 1977 2020 1990 1993 bottom-third 1926 5 8.50 9.90 -1.40 32 97 1977 2020 1990 1993 bottom-third 6 13.72 13.46 0.26 67 62 1977 2020 1991 1993 normal 7 19.84 17.05 2.79 103 26 1977 2020 1992 1993 top-third 8 26.21 21.07 5.14 123 6 1977 2011 1993 1969 top-tenth 9 30.61 24.46 6.15 122 7 1977 2020 1993 1969 top-tenth 10 34.05 26.96 7.09 124 5 1977 2020 1993 1969 top-tenth 11 35.47 28.68 6.79 123 6 1911 2020 1993 1969 top-tenth 12 36.11 29.70 6.41 122 7 1911 2020 1993 1969 top-tenth 18 52.06 43.18 8.88 123 5 1911 2020 1993 1987 top-tenth 24 67.47 59.40 8.07 116 12 1931 2020 1993 1992 top-tenth 36 103.24 89.04 14.20 121 6 1935 2020 1993 1994 top-tenth 48 136.53 118.69 17.84 120 6 1937 2020 1993 1994 top-tenth 60 161.06 148.35 12.71 108 17 1934 2020 1993 1988 top-third