1901-2000 Inches 1 0.18 1.75 -1.57 3 126 1976 1931 1976 2006 bottom-tenth 2 5.28 4.04 1.24 97 32 1910 1931 2006 1998 top-third 3 8.15 7.71 0.44 81 48 1953 1931 2006 1998 normal 4 17.84 11.55 6.29 125 4 1976 2018 2006 1977 top-tenth 5 21.22 15.41 5.81 120 9 1976 1993 2006 1993 top-tenth 6 24.60 20.04 4.56 110 19 1976 1993 2006 1993 top-third 7 29.95 24.09 5.86 117 12 1976 1993 2006 1993 top-tenth 8 34.52 27.03 7.49 119 10 1910 1993 2006 1993 top-tenth 9 37.38 28.99 8.39 120 9 1910 1993 2006 1993 top-tenth 10 39.06 30.00 9.06 120 9 1910 1993 2006 1993 top-tenth 11 39.97 30.98 8.99 120 9 1910 1993 2006 1993 top-tenth 12 42.06 32.08 9.98 120 8 1910 1993 2006 1993 top-tenth 18 61.15 52.18 8.97 112 16 1956 2019 2006 1994 top-third 24 73.54 64.24 9.30 107 20 1956 2019 2006 1994 top-third 36 102.79 96.35 6.44 93 33 1957 2010 2006 1995 top-third 48 138.90 128.38 10.52 98 27 1958 2010 2006 1996 top-third 60 166.55 160.36 6.19 81 43 1956 2010 2006 1999 normal