1901-2000 Inches 1 0.58 0.98 -0.40 39 90 1924 1995 1912 1913 bottom-third 1948 2 2.10 1.88 0.22 83 46 1924 1995 1912 1913 normal 3 2.31 2.96 -0.65 36 93 1910 1995 1910 1913 bottom-third 1937,2009 4 3.29 4.06 -0.77 36 93 1972 1998 1910 1913 bottom-third 5 6.47 5.23 1.24 105 24 1966,1972 2019 1913 1907 top-third 6 7.96 6.25 1.71 108 20 1931 1995 1913 1907 top-third 7 9.61 7.13 2.48 115 13 1924 1995 1913 1907 top-tenth 8 9.97 7.90 2.07 111 17 1959 2005 1913 1907 top-third 9 10.47 8.47 2.00 111 17 1934 2005 1913 1907 top-third 10 11.42 9.06 2.36 112 16 1934 2005 1913 1907 top-third 11 12.83 9.60 3.23 118 10 2021 1983 1913 1907 top-tenth 12 14.97 10.30 4.67 124 4 1934 1983 1913 1914 top-tenth 18 19.66 16.54 3.12 112 15 1929 1907 1913 1908 top-third 24 24.16 20.61 3.55 110 17 2021 1984 1913 1908 top-third 36 31.65 30.88 0.77 78 48 2022 1985 1913 1911 normal 48 42.65 41.12 1.53 83 42 1931 1986 1913 1911 normal 60 53.54 51.36 2.18 85 39 1931 1986 1913 1911 top-third