1901-2000 Inches 1 2.06 2.78 -0.72 27 103 1987 1900 2004 2006 bottom-third 2 4.67 6.08 -1.41 19 111 1980 1900 2004 2006 bottom-third 3 7.61 9.58 -1.97 22 107 1980 1900 2003 2006 bottom-third 4 12.58 13.50 -0.92 50 79 1940 1984 2003 2006 normal 5 20.43 17.21 3.22 102 27 1948 2006 2005 2006 top-third 6 23.39 20.91 2.48 92 37 1948 2006 2005 2006 top-third 7 27.23 24.42 2.81 97 32 1948 2006 2005 2006 top-third 8 32.69 28.20 4.49 104 25 1948 2006 2005 2006 top-third 9 40.08 31.94 8.14 121 8 1948 2006 2005 2006 top-tenth 10 45.98 35.34 10.64 126 3 2002 2006 2005 2006 top-tenth 11 48.33 38.65 9.68 123 6 2002 2006 2005 2006 top-tenth 12 49.53 41.99 7.54 113 16 2002 2006 2005 2006 top-third 18 83.83 62.87 20.96 127 1 2002 2007 2006 2007 highest 24 113.04 83.96 29.08 127 1 1966 2007 2006 2007 highest 36 154.30 125.88 28.42 125 2 1967 2008 2006 2007 top-tenth 48 198.76 167.88 30.88 120 6 1968 2009 2006 2007 top-tenth 60 237.80 209.81 27.99 112 13 1969 2010 2006 1978 top-third