1901-2000 Inches 1 5.63 3.35 2.28 117 12 1983 1993 1898 1899 top-tenth 2 10.91 7.36 3.55 116 13 1936 1951 1898 1899 top-tenth 3 14.24 11.21 3.03 105 24 2012 1951 1898 1899 top-third 4 15.53 13.69 1.84 88 41 1980 1951 1897 1898 top-third 5 16.94 15.38 1.56 82 47 1936 1951 1897 1898 normal 6 17.53 16.27 1.26 77 52 1936 1951 1897 1898 normal 1941 7 17.83 16.94 0.89 70 59 1936 1951 1897 1898 normal 8 19.44 17.79 1.65 79 49 1936 1993 1897 1898 normal 9 20.45 19.14 1.31 74 54 1956 1993 1897 1898 normal 10 21.98 21.12 0.86 73 55 1956 1993 1897 1898 normal 11 25.81 23.98 1.83 79 49 1934 1993 1898 1899 normal 12 28.43 27.09 1.34 75 53 1956 1993 1897 1898 normal 1985 18 47.51 43.35 4.16 93 35 1953 1993 1898 1899 top-third 24 57.36 54.15 3.21 82 45 1954 2020 1898 1899 normal 36 83.28 81.15 2.13 71 55 1956 1995 1898 1899 normal 48 111.05 108.11 2.94 70 55 1956 1995 1899 1899 normal 60 -99 135.03 -99 -99 -99 1956 2020 normal