1901-2000 Inches 1 2.33 3.09 -0.76 21 108 1925 2004 1909 1908 bottom-third 1936,1937 2 7.14 5.68 1.46 109 20 1925 2011 1908 1909 top-third 3 8.72 7.73 0.99 89 40 1958 2011 1907 1908 top-third 4 11.30 9.23 2.07 108 21 1958 2011 1907 1908 top-third 5 13.20 11.04 2.16 109 20 1958 2013 1907 1908 top-third 6 15.18 13.03 2.15 100 28 1958 2013 1907 1908 top-third 7 17.60 15.60 2.00 96 32 1987 2004 1907 1908 top-third 8 18.43 18.31 0.12 60 68 1925 2020 1906 1908 normal 9 19.95 21.69 -1.74 34 94 1925 2020 1906 1908 bottom-third 1906 10 22.36 24.82 -2.46 26 102 1931 2020 1902 1908 bottom-third 11 25.41 27.88 -2.47 25 103 1931 2017 1900 1908 bottom-third 12 27.61 31.14 -3.53 16 112 1931 2020 1896 1908 bottom-third 18 44.45 44.16 0.29 57 70 1931 2020 1907 1908 normal 24 59.78 62.26 -2.48 31 96 1931 2020 1909 1908 bottom-third 36 91.94 93.40 -1.46 39 87 1936 2020 1902 1908 bottom-third 48 123.22 124.54 -1.32 43 82 1937 2020 1903 1908 normal 60 151.83 155.69 -3.86 37 87 1934 2020 1902 1908 bottom-third