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

     Driver |
    Related |
   Factor 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,428       74.28       74.28
          1 |         48        0.48       74.76
          2 |         11        0.11       74.87
          3 |         10        0.10       74.97
          4 |         10        0.10       75.07
          5 |        109        1.09       76.16
          6 |        331        3.31       79.47
         11 |          4        0.04       79.51
         12 |          1        0.01       79.52
         21 |          5        0.05       79.57
         22 |          4        0.04       79.61
         23 |         13        0.13       79.74
         24 |         96        0.96       80.70
         26 |          5        0.05       80.75
         27 |         26        0.26       81.01
         28 |        520        5.20       86.21
         29 |         14        0.14       86.35
         30 |         22        0.22       86.57
         31 |          7        0.07       86.64
         33 |         19        0.19       86.83
         34 |          9        0.09       86.92
         35 |         21        0.21       87.13
         36 |         59        0.59       87.72
         37 |         12        0.12       87.84
         38 |         80        0.80       88.64
         39 |         71        0.71       89.35
         40 |          1        0.01       89.36
         41 |         14        0.14       89.50
         42 |          4        0.04       89.54
         44 |        268        2.68       92.22
         47 |          1        0.01       92.23
         48 |        129        1.29       93.52
         50 |          1        0.01       93.53
         51 |         14        0.14       93.67
         52 |         19        0.19       93.86
         53 |         29        0.29       94.15
         54 |          4        0.04       94.19
         55 |          3        0.03       94.22
         58 |        166        1.66       95.88
         60 |          1        0.01       95.89
         61 |         12        0.12       96.01
         62 |          7        0.07       96.08
         63 |         10        0.10       96.18
         64 |          1        0.01       96.19
         65 |          1        0.01       96.20
         66 |          7        0.07       96.27
         69 |          1        0.01       96.28
         71 |          1        0.01       96.29
         72 |          1        0.01       96.30
         75 |          1        0.01       96.31
         76 |          3        0.03       96.34
         78 |          1        0.01       96.35
         79 |         27        0.27       96.62
         80 |          7        0.07       96.69
         81 |          2        0.02       96.71
         83 |          6        0.06       96.77
         84 |         24        0.24       97.01
         85 |          2        0.02       97.03
         87 |         10        0.10       97.13
         89 |          1        0.01       97.14
         90 |         36        0.36       97.50
         91 |        133        1.33       98.83
         92 |          1        0.01       98.84
         99 |        116        1.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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