1901-2000 Inches 1 3.88 4.21 -0.33 66 64 1915 2010 1986 1988 normal 2 6.73 7.65 -0.92 52 78 2012 2010 1987 1988 normal 1981 3 8.27 11.59 -3.32 12 118 2012 2010 1985 1988 bottom-tenth 4 9.61 15.74 -6.13 3 126 1981 2010 1985 1988 bottom-tenth 5 17.99 19.90 -1.91 41 88 1985 2010 1985 1988 bottom-third 6 20.70 23.43 -2.73 31 98 1947 2010 1985 1988 bottom-third 7 23.09 27.03 -3.94 20 109 1947 2019 1985 1988 bottom-third 8 24.42 31.07 -6.65 11 118 1985 2019 1985 1988 bottom-tenth 9 31.26 34.31 -3.05 29 100 1966 2010 1985 1988 bottom-third 10 32.93 37.60 -4.67 20 109 1966 2010 1985 1988 bottom-third 11 36.00 41.05 -5.05 17 112 1966 2010 1981 1988 bottom-third 12 38.88 45.08 -6.20 11 118 1966 2010 1981 1988 bottom-tenth 18 60.47 68.51 -8.04 15 113 1966 2007 1981 1988 bottom-third 24 83.18 90.18 -7.00 22 106 1966 2010 1982 1988 bottom-third 36 130.91 135.38 -4.47 36 91 1967 2020 1982 1988 bottom-third 48 178.99 180.61 -1.62 47 79 1967 2010 1982 1988 normal 60 221.17 225.70 -4.53 42 83 1967 2010 1970 1988 normal