1901-2000 Inches 1 2.67 2.90 -0.23 63 66 1963 1919 2010 2009 normal 1996 2 7.46 6.37 1.09 94 35 1897 1926 2010 2009 top-third 3 10.32 10.04 0.28 75 54 1897 1926 2010 2009 normal 4 13.61 14.04 -0.43 45 84 1953 1926 2010 2009 normal 5 18.64 18.29 0.35 65 64 1953 1926 2007 2010 normal 6 24.62 22.56 2.06 83 46 1930 2009 2007 2010 normal 7 33.34 26.47 6.87 126 3 1930 2009 2010 2009 top-tenth 8 37.69 30.28 7.41 126 3 1930 2009 2010 2009 top-tenth 9 41.61 32.95 8.66 124 5 1930 2019 2010 2009 top-tenth 10 43.31 36.00 7.31 121 8 1930 2019 2010 2009 top-tenth 11 45.30 39.09 6.21 116 12 1930 2019 2010 2009 top-tenth 12 49.32 42.23 7.09 116 12 1963 2019 2010 2009 top-tenth 18 74.70 64.79 9.91 119 9 1931 2019 2010 2009 top-tenth 24 91.35 84.46 6.89 98 29 1931 2020 2008 2010 top-third 36 142.77 126.69 16.08 116 10 1954 2020 2009 2010 top-tenth 48 192.59 168.97 23.62 119 6 1956 2021 2010 1975 top-tenth 60 231.74 211.20 20.54 115 9 1956 2020 2010 1976 top-tenth