1901-2000 Inches 1 1.77 2.83 -1.06 38 91 1963 1995 1908 1915 bottom-third 2 3.93 6.61 -2.68 20 109 1904 2009 1904 1915 bottom-third 3 7.42 10.96 -3.54 18 111 1954 2009 1904 1915 bottom-third 4 25.01 16.40 8.61 126 3 1954 1975 1915 1916 top-tenth 5 28.50 20.68 7.82 123 6 1954 2021 1915 1916 top-tenth 6 33.19 24.92 8.27 122 7 1954 2017 1915 1916 top-tenth 7 36.05 29.73 6.32 116 13 1954 1975 1915 1912 top-tenth 8 38.99 35.89 3.10 92 37 1954 1975 1915 1912 top-third 9 43.00 41.07 1.93 80 49 1954 1975 1915 1912 normal 10 47.02 46.25 0.77 70 59 1954 1975 1915 1913 normal 11 53.10 51.41 1.69 78 50 2000 1975 1915 1913 normal 12 56.36 55.22 1.14 77 51 2000 1975 1915 1912 normal 18 85.54 80.31 5.23 91 37 2000 1975 1915 1912 top-third 24 109.11 110.73 -1.62 54 73 2007 1975 1915 1913 normal 36 150.11 166.24 -16.13 17 109 2008 1975 1915 1914 bottom-third 48 206.41 221.58 -15.17 20 105 1899 1976 1907 1915 bottom-third 1987 60 276.74 276.79 -0.05 60 64 1955 2021 1915 1913 normal