1901-2000 Inches 1 0.10 0.38 -0.28 35 94 1909,1910,1955,1969 1965 1970 1968 bottom-third 1917,1991,1998,2015 2 0.30 0.74 -0.44 28 101 1931 1976 1969 1970 bottom-third 1988,2006,2017 3 2.18 1.85 0.33 94 35 1919 1913 1969 1970 top-third 4 3.28 3.12 0.16 72 57 1919 1998 1969 1970 normal 5 3.93 4.22 -0.29 59 70 1924 1998 1969 1970 normal 1917 6 5.94 5.43 0.51 82 47 1924 1998 1970 1967 normal 7 6.27 6.74 -0.47 57 72 1924 1998 1969 1970 normal 8 8.01 8.31 -0.30 60 69 1966 1998 1968 1970 normal 9 10.03 9.78 0.25 69 59 1966 1998 1969 1970 normal 10 12.67 11.09 1.58 94 34 1924 1984 1969 1970 top-third 11 13.68 11.97 1.71 96 32 1966 1983 1969 1970 top-third 12 14.93 12.55 2.38 107 21 1966 1983 1970 1965 top-third 18 20.78 17.99 2.79 104 24 1934 1984 1970 1965 top-third 24 29.59 25.13 4.46 110 17 1955 1984 1970 1965 top-third 36 42.90 37.70 5.20 108 18 1931 1984 1970 1965 top-third 1986 48 51.99 50.19 1.80 86 39 1933 1984 1970 1965 top-third 60 65.55 62.66 2.89 93 31 1933 1984 1970 1965 top-third