1901-2000 Inches 1 4.59 3.44 1.15 102 28 1987 2008 1968 1960 top-third 2 6.46 7.38 -0.92 45 85 1980 1979 1968 1966 normal 3 12.67 11.53 1.14 84 45 1980 1979 1968 1960 normal 4 18.87 15.69 3.18 109 20 2002 1984 1968 1958 top-third 5 21.07 19.22 1.85 85 44 2002 2006 1968 1963 normal 6 22.77 22.82 -0.05 55 74 1947 2019 1968 1964 normal 7 24.45 26.86 -2.41 34 95 1985 2019 1968 1964 bottom-third 8 25.84 30.10 -4.26 20 109 1966 2019 1967 1968 bottom-third 9 31.52 33.38 -1.86 39 90 1966 2019 1968 1963 bottom-third 10 35.35 36.84 -1.49 47 82 1966 1973 1967 1968 normal 11 37.04 40.87 -3.83 24 105 1966 1899 1967 1968 bottom-third 12 44.93 45.08 -0.15 56 73 1966 1973 1967 1968 normal 1985 18 65.21 67.88 -2.67 42 86 1966 2007 1967 1968 bottom-third 24 93.23 90.21 3.02 75 53 1967 2019 1968 1960 normal 36 128.12 135.37 -7.25 27 100 1967 2020 1968 1964 bottom-third 48 156.97 180.60 -23.63 5 121 1967 2012 1968 1965 bottom-tenth 60 192.75 225.71 -32.96 3 122 1967 2010 1968 1966 bottom-tenth