Frequencies for first 10,000 rows of dr_cf2 variable in vehicle dataset :

     Driver |
    Related |
   Factor 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,252       52.52       52.52
          1 |         50        0.50       53.02
          2 |         15        0.15       53.17
          3 |          4        0.04       53.21
          4 |          4        0.04       53.25
          5 |         74        0.74       53.99
          6 |        564        5.64       59.63
          8 |          1        0.01       59.64
          9 |          1        0.01       59.65
         10 |          1        0.01       59.66
         11 |          6        0.06       59.72
         12 |          3        0.03       59.75
         20 |          4        0.04       59.79
         21 |          5        0.05       59.84
         22 |          6        0.06       59.90
         23 |         15        0.15       60.05
         24 |         71        0.71       60.76
         26 |         15        0.15       60.91
         27 |         47        0.47       61.38
         28 |      1,354       13.54       74.92
         29 |         11        0.11       75.03
         30 |         17        0.17       75.20
         31 |          6        0.06       75.26
         33 |         33        0.33       75.59
         34 |          9        0.09       75.68
         35 |         41        0.41       76.09
         36 |         54        0.54       76.63
         37 |         16        0.16       76.79
         38 |        184        1.84       78.63
         39 |        183        1.83       80.46
         40 |          1        0.01       80.47
         41 |         14        0.14       80.61
         42 |          2        0.02       80.63
         44 |        954        9.54       90.17
         45 |          2        0.02       90.19
         46 |          1        0.01       90.20
         47 |          1        0.01       90.21
         48 |        236        2.36       92.57
         49 |          1        0.01       92.58
         50 |          2        0.02       92.60
         51 |         65        0.65       93.25
         52 |         15        0.15       93.40
         53 |         24        0.24       93.64
         54 |         16        0.16       93.80
         55 |          1        0.01       93.81
         57 |          1        0.01       93.82
         58 |        120        1.20       95.02
         61 |         33        0.33       95.35
         62 |         13        0.13       95.48
         63 |         12        0.12       95.60
         64 |          1        0.01       95.61
         65 |          8        0.08       95.69
         66 |          7        0.07       95.76
         67 |         11        0.11       95.87
         68 |          1        0.01       95.88
         76 |          1        0.01       95.89
         79 |         21        0.21       96.10
         80 |         12        0.12       96.22
         81 |          2        0.02       96.24
         82 |          1        0.01       96.25
         83 |          4        0.04       96.29
         84 |         15        0.15       96.44
         85 |          9        0.09       96.53
         87 |         22        0.22       96.75
         90 |         46        0.46       97.21
         91 |        164        1.64       98.85
         92 |          3        0.03       98.88
         99 |        112        1.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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