1901-2000 Inches 1 3.07 2.78 0.29 105 24 1930 1950,1958 1899 1896 top-third 1928,2009 2 6.10 5.70 0.40 95 34 1930 1928 1899 1900 top-third 3 8.55 8.62 -0.07 51 78 1988 2015 1897 1899 normal 4 11.96 11.13 0.83 97 32 1934 2015 1899 1900 top-third 2014 5 14.24 13.64 0.60 79 50 1936 1973 1899 1900 normal 1943 6 16.76 15.78 0.98 95 34 1934 2019 1899 1897 top-third 1897,2011 7 18.50 18.09 0.41 75 54 1934 2019 1899 1897 normal 8 20.86 20.44 0.42 71 57 1931 2019 1899 1900 normal 2011 9 22.85 22.66 0.19 64 64 1934 2019 1899 1897 normal 10 25.26 24.83 0.43 71 57 1934 2019 1899 1897 normal 1987 11 26.80 27.33 -0.53 48 80 1934 2019 1898 1899 normal 12 29.06 29.95 -0.89 40 88 1918 2019 1898 1899 bottom-third 18 44.60 45.74 -1.14 41 87 1931 2019 1896 1899 bottom-third 24 59.08 59.92 -0.84 52 75 1918 2020 1899 1900 normal 36 87.33 89.88 -2.55 31 95 1956 2019 1898 1899 bottom-third 1967 48 117.98 119.78 -1.80 41 84 1956 2019 1899 1900 bottom-third 60 146.26 149.64 -3.38 31 93 1934 2019 1900 1900 bottom-third