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

     DRIVER |
     HEIGHT |      Freq.     Percent        Cum.
------------+-----------------------------------
         48 |          3        0.03        0.03
         55 |          1        0.01        0.04
         56 |          5        0.05        0.09
         57 |          4        0.04        0.13
         58 |          9        0.09        0.22
         59 |         47        0.47        0.69
         60 |        144        1.44        2.13
         61 |        172        1.72        3.85
         62 |        328        3.28        7.13
         63 |        418        4.18       11.31
         64 |        497        4.97       16.28
         65 |        558        5.58       21.86
         66 |        807        8.07       29.93
         67 |        882        8.82       38.75
         68 |        903        9.03       47.78
         69 |        864        8.64       56.42
         70 |        893        8.93       65.35
         71 |        794        7.94       73.29
         72 |        873        8.73       82.02
         73 |        476        4.76       86.78
         74 |        414        4.14       90.92
         75 |        200        2.00       92.92
         76 |         91        0.91       93.83
         77 |         48        0.48       94.31
         78 |         24        0.24       94.55
         79 |          8        0.08       94.63
         81 |          2        0.02       94.65
         82 |          1        0.01       94.66
         83 |          1        0.01       94.67
         91 |          1        0.01       94.68
        999 |        470        4.70       99.38
          . |         62        0.62      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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