Frequencies for first 10,000 rows of dr_cf3 variable in vehicle dataset :

     Driver |
    Related |
   Factor 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,351       73.51       73.51
          1 |         38        0.38       73.89
          2 |          3        0.03       73.92
          3 |          8        0.08       74.00
          4 |          5        0.05       74.05
          5 |         65        0.65       74.70
          6 |        394        3.94       78.64
          7 |          1        0.01       78.65
          8 |          1        0.01       78.66
         11 |          4        0.04       78.70
         12 |          1        0.01       78.71
         21 |         12        0.12       78.83
         22 |          4        0.04       78.87
         23 |         10        0.10       78.97
         24 |         94        0.94       79.91
         26 |          7        0.07       79.98
         27 |         32        0.32       80.30
         28 |        556        5.56       85.86
         29 |          4        0.04       85.90
         30 |         12        0.12       86.02
         31 |          6        0.06       86.08
         33 |         20        0.20       86.28
         34 |          3        0.03       86.31
         35 |         23        0.23       86.54
         36 |         75        0.75       87.29
         37 |          8        0.08       87.37
         38 |         79        0.79       88.16
         39 |         71        0.71       88.87
         40 |          3        0.03       88.90
         41 |         21        0.21       89.11
         42 |          4        0.04       89.15
         43 |          1        0.01       89.16
         44 |        294        2.94       92.10
         47 |          1        0.01       92.11
         48 |        111        1.11       93.22
         51 |         24        0.24       93.46
         52 |         29        0.29       93.75
         53 |         37        0.37       94.12
         54 |          2        0.02       94.14
         55 |          5        0.05       94.19
         56 |          2        0.02       94.21
         57 |          5        0.05       94.26
         58 |        156        1.56       95.82
         61 |         16        0.16       95.98
         62 |          6        0.06       96.04
         63 |         17        0.17       96.21
         64 |          1        0.01       96.22
         65 |          8        0.08       96.30
         66 |          7        0.07       96.37
         67 |          9        0.09       96.46
         69 |          1        0.01       96.47
         71 |          3        0.03       96.50
         75 |          1        0.01       96.51
         76 |          1        0.01       96.52
         77 |          2        0.02       96.54
         78 |          1        0.01       96.55
         79 |         28        0.28       96.83
         80 |          6        0.06       96.89
         81 |          2        0.02       96.91
         82 |          2        0.02       96.93
         83 |          3        0.03       96.96
         84 |         21        0.21       97.17
         85 |          3        0.03       97.20
         86 |          2        0.02       97.22
         87 |         10        0.10       97.32
         90 |         33        0.33       97.65
         91 |        125        1.25       98.90
         99 |        110        1.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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