Frequencies for first 10,000 rows of dr_hgt variable in vehicle dataset :

     driver |
     height |      Freq.     Percent        Cum.
------------+-----------------------------------
         39 |          1        0.01        0.01
         43 |          1        0.01        0.02
         50 |          1        0.01        0.03
         55 |          2        0.02        0.05
         56 |          4        0.04        0.09
         57 |          5        0.05        0.14
         58 |         12        0.12        0.26
         59 |         45        0.45        0.71
         60 |        133        1.33        2.04
         61 |        186        1.86        3.90
         62 |        332        3.32        7.22
         63 |        420        4.20       11.42
         64 |        482        4.82       16.24
         65 |        602        6.02       22.26
         66 |        742        7.42       29.68
         67 |        805        8.05       37.73
         68 |        874        8.74       46.47
         69 |        843        8.43       54.90
         70 |        881        8.81       63.71
         71 |        856        8.56       72.27
         72 |        899        8.99       81.26
         73 |        515        5.15       86.41
         74 |        378        3.78       90.19
         75 |        211        2.11       92.30
         76 |        103        1.03       93.33
         77 |         54        0.54       93.87
         78 |         24        0.24       94.11
         79 |          6        0.06       94.17
         80 |          2        0.02       94.19
         81 |          2        0.02       94.21
         82 |          1        0.01       94.22
        998 |         69        0.69       94.91
        999 |        509        5.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016