1901-2000 Inches 1 4.31 3.53 0.78 90 39 1943 1973 1949 1952 top-third 2009 2 8.21 7.42 0.79 91 38 1904 1983 1952 1951 top-third 3 12.42 11.12 1.30 83 46 2001 2005 1952 1951 normal 4 15.39 14.81 0.58 69 60 1955 2005 1952 1951 normal 5 18.37 18.32 0.05 63 66 1947 2005 1952 1951 normal 6 22.21 22.11 0.10 62 67 1978 2005 1952 1951 normal 1986 7 24.58 25.84 -1.26 45 84 2001 2005 1952 1951 normal 8 27.62 29.24 -1.62 41 88 2001 2005 1952 1951 bottom-third 9 32.06 32.58 -0.52 54 75 2001 2005 1952 1951 normal 10 39.38 35.90 3.48 92 37 2001 2005 1952 1951 top-third 11 42.54 38.68 3.86 95 34 2001 2005 1952 1951 top-third 12 46.55 41.98 4.57 99 30 2001 2005 1952 1951 top-third 18 63.65 64.10 -0.45 54 74 2001 2006 1950 1952 normal 24 85.13 84.04 1.09 66 62 1965 2006 1950 1952 normal 36 134.88 125.98 8.90 94 33 1966 2007 1952 1938 top-third 48 179.40 167.93 11.47 99 27 1967 2008 1952 1953 top-third 1983,1996 60 214.50 209.92 4.58 68 57 1968 2009 1952 1940 normal