1925-2000 Inches 1 1.93 4.37 -2.44 1 98 1941 2018 1941 1940 lowest 2 5.95 7.66 -1.71 9 90 1977 2022 1941 1940 bottom-tenth 3 8.51 10.00 -1.49 12 87 1957 2014 1936 1940 bottom-third 4 10.94 12.11 -1.17 18 81 1957 1998 1936 1940 bottom-third 5 13.97 14.00 -0.03 46 53 1957 1998 1940 1939 normal 6 16.71 16.23 0.48 60 39 1957 1998 1940 1939 normal 1943,1985 7 18.80 18.55 0.25 49 50 1957 1963 1940 1939 normal 8 21.21 21.28 -0.07 42 57 1969 1963 1940 1939 normal 9 24.18 24.38 -0.20 41 57 1969 1944 1940 1939 normal 10 27.22 27.76 -0.54 38 60 1969 1944 1940 1939 normal 11 31.42 32.15 -0.73 38 60 1969 1944 1940 1939 normal 12 37.60 36.70 0.90 58 40 1969 1944 1940 1939 normal 18 52.64 52.92 -0.28 37 61 1969 1944 1938 1940 normal 24 72.96 73.26 -0.30 41 56 1969 1930 1936 1940 normal 36 116.21 109.83 6.38 74 22 1974 1931 1940 1939 top-third 48 152.51 146.33 6.18 60 35 1972 1932 1938 1940 normal 60 194.92 182.81 12.11 86 8 1976 1932 1940 1933 top-tenth 2018