1901-2000 Inches 1 2.72 1.75 0.97 111 18 1976 1931 1947 1934 top-third 2 4.64 4.04 0.60 83 46 1910 1931 1945 1947 normal 3 6.67 7.71 -1.04 51 78 1953 1931 1945 1947 normal 4 9.29 11.55 -2.26 33 96 1976 2018 1947 1946 bottom-third 2020 5 13.58 15.41 -1.83 39 90 1976 1993 1947 1946 bottom-third 6 17.11 20.04 -2.93 29 100 1976 1993 1945 1947 bottom-third 2011 7 19.42 24.09 -4.67 16 113 1976 1993 1939 1947 bottom-third 8 22.08 27.03 -4.95 18 111 1910 1993 1939 1947 bottom-third 9 24.59 28.99 -4.40 23 106 1910 1993 1939 1947 bottom-third 10 26.46 30.00 -3.54 27 102 1910 1993 1939 1947 bottom-third 11 26.84 30.98 -4.14 24 105 1910 1993 1939 1947 bottom-third 12 28.29 32.08 -3.79 27 101 1910 1993 1939 1947 bottom-third 18 49.06 52.18 -3.12 46 82 1956 2019 1940 1947 normal 24 61.90 64.24 -2.34 47 80 1956 2019 1940 1947 normal 36 98.10 96.35 1.75 71 55 1957 2010 1941 1947 normal 48 131.59 128.38 3.21 80 45 1958 2010 1943 1947 normal 60 167.53 160.36 7.17 87 37 1956 2010 1944 1947 top-third