1901-2000 Inches 1 2.07 2.78 -0.71 28 102 1987 1900 1901 1903 bottom-third 2 5.82 6.08 -0.26 62 68 1980 1900 1902 1903 normal 1966 3 9.01 9.58 -0.57 52 77 1980 1900 1901 1903 normal 1986 4 11.32 13.50 -2.18 26 103 1940 1984 1897 1903 bottom-third 5 14.30 17.21 -2.91 16 113 1948 2006 1904 1903 bottom-third 6 15.72 20.91 -5.19 5 124 1948 2006 1904 1903 bottom-tenth 7 18.28 24.42 -6.14 6 123 1948 2006 1904 1903 bottom-tenth 8 22.64 28.20 -5.56 7 122 1948 2006 1904 1903 bottom-tenth 9 26.33 31.94 -5.61 8 121 1948 2006 1904 1903 bottom-tenth 1940 10 27.06 35.34 -8.28 2 127 2002 2006 1904 1903 bottom-tenth 11 29.16 38.65 -9.49 2 127 2002 2006 1904 1903 bottom-tenth 12 35.29 41.99 -6.70 8 121 2002 2006 1904 1903 bottom-tenth 18 57.19 62.87 -5.68 22 106 2002 2007 1904 1903 bottom-third 24 84.63 83.96 0.67 59 69 1966 2007 1900 1903 normal 36 129.59 125.88 3.71 69 58 1967 2008 1901 1903 normal 48 171.88 167.88 4.00 72 54 1968 2009 1902 1903 normal 60 214.65 209.81 4.84 70 55 1969 2010 1900 1903 normal