1901-2000 Inches 1 0.67 0.81 -0.14 46 83 1913 1968 1989 1990 normal 1929,1940,1971 2 3.33 2.12 1.21 115 14 1939 2015 1990 1983 top-third 3 4.72 4.04 0.68 86 43 1976 1971 1990 1984 top-third 4 9.55 6.91 2.64 109 20 1976 2019 1990 1983 top-third 1983 5 12.02 10.35 1.67 93 36 1976 1900 1990 1988 top-third 6 16.55 13.95 2.60 103 26 1976 1900 1990 1986 top-third 7 21.35 18.06 3.29 111 18 1976 2010 1990 1986 top-third 8 25.80 21.19 4.61 117 12 1976 2010 1990 1977 top-tenth 9 29.37 23.24 6.13 121 8 1976 2019 1990 1977 top-tenth 10 30.95 24.50 6.45 121 8 1910 2019 1990 1977 top-tenth 11 31.73 25.19 6.54 122 7 1910 2019 1990 1977 top-tenth 12 32.20 25.98 6.22 121 8 1910 2019 1990 1977 top-tenth 18 44.09 40.00 4.09 98 30 1976 2019 1990 1986 top-third 24 58.56 51.96 6.60 112 16 1934 2019 1990 1986 top-third 36 81.03 77.94 3.09 71 56 1934 2019 1990 1987 normal 48 103.44 103.87 -0.43 46 80 1936 2019 1990 1988 normal 60 125.53 129.82 -4.29 35 90 1936 2019 1990 1989 bottom-third