1901-2000 Inches 1 0.60 1.06 -0.46 16 114 1961 1895 1902 1907 bottom-third 1991 2 1.88 2.07 -0.19 49 80 1931 1997 1906 1907 normal 1929,1951 3 2.36 3.10 -0.74 22 107 1931 1943 1906 1907 bottom-third 2002 4 2.79 4.30 -1.51 6 123 1934,1977 1943 1908 1907 bottom-tenth 5 4.14 5.54 -1.40 13 116 1934 1943 1905 1907 bottom-tenth 1940 6 5.19 6.61 -1.42 21 108 1905 1928 1905 1907 bottom-third 7 6.46 7.89 -1.43 29 100 2021 1924 1905 1907 bottom-third 8 8.36 9.72 -1.36 32 97 1934 1999 1905 1907 bottom-third 9 11.19 11.92 -0.73 50 79 1901 1909 1905 1907 normal 10 12.51 13.72 -1.21 44 85 1955 1942 1905 1907 normal 1988 11 14.61 14.97 -0.36 57 72 2013 1996 1905 1907 normal 12 15.70 15.93 -0.23 57 72 2013 1996 1904 1907 normal 18 23.60 22.54 1.06 85 43 1935 1996 1906 1907 normal 24 34.89 31.88 3.01 101 27 2003 1943 1906 1907 top-third 36 51.86 47.78 4.08 102 25 2003 1948 1906 1907 top-third 48 68.13 63.65 4.48 99 27 2004 1999 1907 1908 top-third 60 83.16 79.51 3.65 89 36 2005 2000 1907 1908 top-third