1901-2000 Inches 1 2.11 1.02 1.09 121 8 1976 1983 2020 2010 top-tenth 2022 2 2.29 1.89 0.40 87 42 1976 1983 2020 2019 top-third 1992,2012 3 4.29 2.67 1.62 120 9 1999 2010 2020 2015 top-tenth 4 4.56 3.24 1.32 118 11 1999 1983 2020 2015 top-tenth 5 4.80 3.84 0.96 108 21 1999 1983 2020 2015 top-third 6 5.64 4.38 1.26 111 18 2020 1983 2020 2015 top-third 7 5.81 5.07 0.74 97 32 2020 1983 2020 2015 top-third 8 6.48 6.05 0.43 85 44 2020 1983 2020 2019 normal 9 6.91 6.96 -0.05 71 58 2020 1983 2020 2019 normal 10 7.80 8.03 -0.23 67 62 1959 1983 2020 2019 normal 11 8.63 9.14 -0.51 63 66 2020 1983 2020 2019 normal 12 9.58 10.30 -0.72 54 75 2020 1983 2020 2019 normal 18 11.24 14.68 -3.44 12 116 1929 1983 2020 2019 bottom-tenth 24 15.44 20.59 -5.15 6 122 1929 1983 2008 2020 bottom-tenth 36 29.25 30.90 -1.65 49 78 1929 1984 2020 2019 normal 48 38.52 41.13 -2.61 43 83 1929 1983 2015 2020 normal 60 49.69 51.39 -1.70 56 69 1962 1984 2016 2020 normal