Frequencies for first 10,000 rows of dr_cf1 variable in vehicle dataset :

     Driver |
    Related |
   Factor 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,664       36.64       36.64
          1 |        185        1.85       38.49
          2 |         18        0.18       38.67
          4 |         13        0.13       38.80
          5 |         15        0.15       38.95
          6 |      1,369       13.69       52.64
          7 |          5        0.05       52.69
         20 |         61        0.61       53.30
         21 |         18        0.18       53.48
         22 |          8        0.08       53.56
         23 |         25        0.25       53.81
         24 |         75        0.75       54.56
         26 |         31        0.31       54.87
         27 |         26        0.26       55.13
         28 |        635        6.35       61.48
         29 |          4        0.04       61.52
         30 |          9        0.09       61.61
         31 |         11        0.11       61.72
         33 |         34        0.34       62.06
         34 |          4        0.04       62.10
         35 |         54        0.54       62.64
         36 |        135        1.35       63.99
         38 |        521        5.21       69.20
         39 |        268        2.68       71.88
         41 |          1        0.01       71.89
         42 |          7        0.07       71.96
         44 |      1,985       19.85       91.81
         45 |          5        0.05       91.86
         46 |          3        0.03       91.89
         47 |          2        0.02       91.91
         48 |         89        0.89       92.80
         49 |          2        0.02       92.82
         50 |         47        0.47       93.29
         51 |        301        3.01       96.30
         52 |          7        0.07       96.37
         53 |         38        0.38       96.75
         99 |        325        3.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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