1901-2000 Inches 1 1.99 3.68 -1.69 9 120 1968 2021 1929 1936 bottom-tenth 1970 2 6.57 7.33 -0.76 55 74 1949 1938 1936 1935 normal 2002 3 10.63 10.92 -0.29 62 67 1964 2006 1936 1935 normal 4 15.24 14.83 0.41 72 57 1965 2006 1936 1931 normal 5 18.87 18.76 0.11 62 67 1965 1984 1935 1936 normal 6 21.03 21.97 -0.94 48 81 1965 1984 1935 1936 normal 7 25.83 25.61 0.22 65 64 1965 1984 1935 1936 normal 8 33.30 29.44 3.86 102 26 1965 1984 1936 1920 top-third 9 35.04 33.46 1.58 73 55 1965 1984 1935 1936 normal 10 38.92 36.97 1.95 72 56 1965 2006 1936 1933 normal 11 42.89 40.76 2.13 75 53 1965 2006 1936 1934 normal 12 48.27 44.65 3.62 84 44 1965 2006 1936 1934 normal 18 70.48 66.58 3.90 79 49 1965 1984 1936 1934 normal 24 90.61 89.19 1.42 57 70 1966 2006 1936 1935 normal 36 135.78 133.88 1.90 58 68 1966 2007 1934 1936 normal 48 185.00 178.49 6.51 66 59 1966 2009 1935 1936 normal 60 234.07 223.09 10.98 76 48 1966 2009 1936 1903 normal