1901-2000 Inches 1 2.40 3.09 -0.69 26 103 1925 2004 1925 1924 bottom-third 1928,1971 2 4.31 5.68 -1.37 19 110 1925 2011 1925 1924 bottom-third 1946 3 6.68 7.73 -1.05 29 100 1958 2011 1925 1924 bottom-third 4 8.63 9.23 -0.60 46 83 1958 2011 1925 1924 normal 1900 5 9.99 11.04 -1.05 33 96 1958 2013 1925 1924 bottom-third 6 11.55 13.03 -1.48 28 100 1958 2013 1925 1924 bottom-third 7 13.55 15.60 -2.05 25 103 1987 2004 1925 1924 bottom-third 8 16.55 18.31 -1.76 26 102 1925 2020 1925 1924 bottom-third 9 20.58 21.69 -1.11 45 83 1925 2020 1925 1922 normal 10 23.08 24.82 -1.74 35 93 1931 2020 1925 1922 bottom-third 11 26.28 27.88 -1.60 35 93 1931 2017 1925 1922 bottom-third 12 28.85 31.14 -2.29 29 99 1931 2020 1925 1924 bottom-third 18 37.63 44.16 -6.53 6 121 1931 2020 1925 1924 bottom-tenth 24 53.03 62.26 -9.23 4 123 1931 2020 1926 1925 bottom-tenth 36 81.89 93.40 -11.51 4 122 1936 2020 1911 1925 bottom-tenth 48 110.89 124.54 -13.65 2 123 1937 2020 1926 1925 bottom-tenth 60 144.06 155.69 -11.63 6 118 1934 2020 1926 1925 bottom-tenth