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

     Driver |
    Related |
   Factor 2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,949       49.49       49.49
          1 |         62        0.62       50.11
          2 |         16        0.16       50.27
          3 |          7        0.07       50.34
          4 |          7        0.07       50.41
          5 |         41        0.41       50.82
          6 |        752        7.52       58.34
          9 |          1        0.01       58.35
         11 |         12        0.12       58.47
         12 |          4        0.04       58.51
         20 |          3        0.03       58.54
         21 |         13        0.13       58.67
         22 |          6        0.06       58.73
         23 |         22        0.22       58.95
         24 |         99        0.99       59.94
         25 |          1        0.01       59.95
         26 |         17        0.17       60.12
         27 |         35        0.35       60.47
         28 |      1,232       12.32       72.79
         29 |         11        0.11       72.90
         30 |         11        0.11       73.01
         31 |          6        0.06       73.07
         33 |         19        0.19       73.26
         34 |         11        0.11       73.37
         35 |         46        0.46       73.83
         36 |         86        0.86       74.69
         37 |         15        0.15       74.84
         38 |        228        2.28       77.12
         39 |        187        1.87       78.99
         40 |          7        0.07       79.06
         41 |         11        0.11       79.17
         42 |          4        0.04       79.21
         44 |      1,133       11.33       90.54
         45 |          2        0.02       90.56
         46 |          1        0.01       90.57
         47 |          2        0.02       90.59
         48 |        218        2.18       92.77
         49 |          1        0.01       92.78
         50 |          3        0.03       92.81
         51 |         78        0.78       93.59
         52 |         31        0.31       93.90
         53 |         26        0.26       94.16
         54 |         11        0.11       94.27
         55 |          6        0.06       94.33
         56 |          1        0.01       94.34
         57 |          2        0.02       94.36
         58 |         93        0.93       95.29
         61 |         28        0.28       95.57
         62 |         13        0.13       95.70
         63 |         17        0.17       95.87
         64 |          4        0.04       95.91
         65 |         12        0.12       96.03
         66 |         17        0.17       96.20
         67 |          7        0.07       96.27
         75 |          2        0.02       96.29
         76 |          6        0.06       96.35
         77 |          1        0.01       96.36
         79 |         16        0.16       96.52
         80 |          9        0.09       96.61
         81 |          3        0.03       96.64
         82 |          3        0.03       96.67
         83 |          1        0.01       96.68
         84 |         18        0.18       96.86
         85 |          4        0.04       96.90
         86 |          2        0.02       96.92
         87 |         11        0.11       97.03
         90 |         44        0.44       97.47
         91 |        143        1.43       98.90
         99 |        110        1.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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