1901-2000 Inches 1 2.02 3.22 -1.20 22 107 1965 2009 1955 1959 bottom-third 2 3.25 6.06 -2.81 8 121 1965 2009 1955 1959 bottom-tenth 3 5.64 9.18 -3.54 10 119 1965 2009 1955 1959 bottom-tenth 4 10.70 12.73 -2.03 35 94 2001 2018 1958 1959 bottom-third 5 15.61 17.08 -1.47 44 85 1930 2018 1953 1959 normal 6 19.94 21.61 -1.67 36 93 1930 2018 1954 1959 bottom-third 1951,1954,1984 7 22.64 25.59 -2.95 25 104 1930 2018 1954 1959 bottom-third 8 28.00 29.42 -1.42 43 86 1930 2018 1954 1959 bottom-third 9 30.93 32.79 -1.86 39 90 1930 2018 1954 1959 bottom-third 10 34.24 36.57 -2.33 37 92 1930 2018 1954 1959 bottom-third 11 39.13 39.59 -0.46 54 75 1930 2018 1954 1959 normal 12 41.58 42.94 -1.36 44 85 1930 2018 1954 1959 normal 18 66.95 64.55 2.40 73 55 1930 2003 1959 1958 normal 24 83.81 85.88 -2.07 45 83 1931 2004 1955 1959 normal 36 129.32 128.83 0.49 59 68 1965 2020 1956 1959 normal 48 175.07 171.77 3.30 70 56 1966 2020 1957 1959 normal 60 217.66 214.74 2.92 65 60 1967 2020 1958 1959 normal