1901-2000 Inches 1 3.42 2.29 1.13 105 24 1952 2009 1910 1900 top-third 2 8.42 5.96 2.46 110 19 1952 1941 1910 1900 top-third 3 11.90 9.80 2.10 97 32 1953 2018 1910 1903 top-third 1998 4 14.30 13.66 0.64 76 53 1953,1976 1993 1910 1907 normal 5 16.21 18.29 -2.08 40 89 1976 1993 1910 1909 bottom-third 6 20.13 22.33 -2.20 40 89 1976 1993 1910 1909 bottom-third 7 23.19 25.28 -2.09 39 90 1988 1993 1910 1909 bottom-third 8 24.06 27.23 -3.17 31 98 1988 1993 1910 1909 bottom-third 9 26.82 28.25 -1.43 48 81 1988 1993 1910 1909 normal 10 27.69 29.23 -1.54 47 82 1988 1993 1910 1909 normal 11 28.06 30.33 -2.27 38 90 1988 1993 1910 1909 bottom-third 1997 12 28.40 32.07 -3.67 33 95 1956 1993 1910 1909 bottom-third 18 44.19 54.47 -10.28 5 123 1956 2019 1911 1910 bottom-tenth 24 55.42 64.23 -8.81 10 117 1956 1993 1911 1910 bottom-tenth 36 89.69 96.34 -6.65 26 100 1957 2010 1901 1910 bottom-third 48 124.30 128.36 -4.06 41 84 1958 2010 1901 1910 bottom-third 60 157.42 160.34 -2.92 44 80 1956 2010 1901 1910 normal