1901-2000 Inches 1 2.09 2.34 -0.25 48 81 1903 1914 1943 1941 normal 2 2.92 3.51 -0.59 40 89 1980 1921 1942 1943 bottom-third 3 3.72 4.56 -0.84 36 93 2011 1921 1942 1943 bottom-third 4 4.53 5.31 -0.78 45 84 2011 1941 1939 1943 normal 5 4.93 6.04 -1.11 30 99 2011 1941 1934 1943 bottom-third 6 5.50 6.68 -1.18 31 98 2011 1941 1934 1943 bottom-third 1918 7 6.24 7.29 -1.05 42 87 2011 1941 1942 1943 bottom-third 8 7.67 8.03 -0.36 60 68 2011 1941 1943 1941 normal 1928 9 8.14 8.68 -0.54 59 69 2011 1941 1943 1941 normal 10 8.58 9.81 -1.23 41 87 2011 1941 1934 1943 bottom-third 11 9.60 11.52 -1.92 37 91 2011 1905 1934 1943 bottom-third 12 11.63 13.99 -2.36 27 101 1974 1905 1934 1943 bottom-third 18 17.47 20.68 -3.21 27 101 2013 1942 1935 1943 bottom-third 24 26.28 27.99 -1.71 47 80 1957 1942 1940 1943 normal 36 44.49 41.95 2.54 92 34 2013 1987 1940 1943 top-third 48 65.93 55.92 10.01 119 6 1954 1988 1942 1943 top-tenth 60 79.08 69.90 9.18 115 9 1957 1988 1941 1943 top-tenth