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

     DRIVER |
     HEIGHT |      Freq.     Percent        Cum.
------------+-----------------------------------
         38 |          1        0.01        0.01
         53 |          1        0.01        0.02
         56 |          2        0.02        0.04
         57 |          4        0.04        0.08
         58 |         14        0.14        0.22
         59 |         53        0.53        0.75
         60 |        147        1.47        2.22
         61 |        168        1.68        3.90
         62 |        365        3.65        7.55
         63 |        376        3.76       11.31
         64 |        538        5.38       16.69
         65 |        597        5.97       22.66
         66 |        831        8.31       30.97
         67 |        815        8.15       39.12
         68 |        956        9.56       48.68
         69 |        817        8.17       56.85
         70 |        908        9.08       65.93
         71 |        817        8.17       74.10
         72 |        833        8.33       82.43
         73 |        457        4.57       87.00
         74 |        366        3.66       90.66
         75 |        175        1.75       92.41
         76 |        110        1.10       93.51
         77 |         43        0.43       93.94
         78 |         21        0.21       94.15
         79 |          9        0.09       94.24
         80 |          5        0.05       94.29
         81 |          2        0.02       94.31
         82 |          2        0.02       94.33
        999 |        515        5.15       99.48
          . |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016