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

     Driver |
    Related |
   Factor 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,906       49.06       49.06
          1 |         46        0.46       49.52
          2 |         10        0.10       49.62
          3 |          7        0.07       49.69
          4 |          8        0.08       49.77
          5 |         56        0.56       50.33
          6 |        696        6.96       57.29
          7 |          3        0.03       57.32
          8 |          2        0.02       57.34
          9 |          1        0.01       57.35
         11 |          9        0.09       57.44
         12 |          1        0.01       57.45
         20 |          4        0.04       57.49
         21 |         17        0.17       57.66
         22 |          5        0.05       57.71
         23 |         25        0.25       57.96
         24 |         80        0.80       58.76
         26 |         42        0.42       59.18
         27 |         37        0.37       59.55
         28 |      1,221       12.21       71.76
         29 |          7        0.07       71.83
         30 |         15        0.15       71.98
         31 |         11        0.11       72.09
         32 |          3        0.03       72.12
         33 |         29        0.29       72.41
         34 |         12        0.12       72.53
         35 |         27        0.27       72.80
         36 |         94        0.94       73.74
         37 |         11        0.11       73.85
         38 |        250        2.50       76.35
         39 |        164        1.64       77.99
         40 |          2        0.02       78.01
         41 |          9        0.09       78.10
         42 |          7        0.07       78.17
         44 |      1,191       11.91       90.08
         45 |          2        0.02       90.10
         47 |          2        0.02       90.12
         48 |        240        2.40       92.52
         49 |          1        0.01       92.53
         50 |          5        0.05       92.58
         51 |         93        0.93       93.51
         52 |         19        0.19       93.70
         53 |         17        0.17       93.87
         54 |          8        0.08       93.95
         55 |          1        0.01       93.96
         56 |          1        0.01       93.97
         57 |          1        0.01       93.98
         58 |        110        1.10       95.08
         61 |         49        0.49       95.57
         62 |         15        0.15       95.72
         63 |         29        0.29       96.01
         64 |          1        0.01       96.02
         65 |         15        0.15       96.17
         66 |         11        0.11       96.28
         67 |          7        0.07       96.35
         68 |          1        0.01       96.36
         69 |          1        0.01       96.37
         71 |          1        0.01       96.38
         75 |          5        0.05       96.43
         76 |          5        0.05       96.48
         79 |         21        0.21       96.69
         80 |         19        0.19       96.88
         81 |          2        0.02       96.90
         82 |          4        0.04       96.94
         83 |          1        0.01       96.95
         84 |         28        0.28       97.23
         85 |          5        0.05       97.28
         87 |         17        0.17       97.45
         90 |         49        0.49       97.94
         91 |        106        1.06       99.00
         99 |        100        1.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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