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

     Driver |
    Related |
   Factor 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,848       78.48       78.48
          1 |         37        0.37       78.85
          2 |         12        0.12       78.97
          3 |          9        0.09       79.06
          4 |         15        0.15       79.21
          5 |        119        1.19       80.40
          6 |        224        2.24       82.64
          7 |          3        0.03       82.67
          9 |          1        0.01       82.68
         11 |          7        0.07       82.75
         12 |          1        0.01       82.76
         20 |          1        0.01       82.77
         21 |          6        0.06       82.83
         22 |          1        0.01       82.84
         23 |          6        0.06       82.90
         24 |         73        0.73       83.63
         26 |          7        0.07       83.70
         27 |         22        0.22       83.92
         28 |        335        3.35       87.27
         29 |          7        0.07       87.34
         30 |          6        0.06       87.40
         31 |          2        0.02       87.42
         33 |         10        0.10       87.52
         34 |          6        0.06       87.58
         35 |          9        0.09       87.67
         36 |         67        0.67       88.34
         37 |          9        0.09       88.43
         38 |         32        0.32       88.75
         39 |         63        0.63       89.38
         40 |          4        0.04       89.42
         41 |         16        0.16       89.58
         42 |          6        0.06       89.64
         44 |        288        2.88       92.52
         45 |          1        0.01       92.53
         48 |        122        1.22       93.75
         50 |          1        0.01       93.76
         51 |         13        0.13       93.89
         52 |         20        0.20       94.09
         53 |         15        0.15       94.24
         55 |          3        0.03       94.27
         56 |          2        0.02       94.29
         58 |        153        1.53       95.82
         61 |         21        0.21       96.03
         62 |         13        0.13       96.16
         63 |          8        0.08       96.24
         64 |          1        0.01       96.25
         65 |          2        0.02       96.27
         66 |          7        0.07       96.34
         67 |          4        0.04       96.38
         69 |          1        0.01       96.39
         70 |          1        0.01       96.40
         77 |          1        0.01       96.41
         79 |         15        0.15       96.56
         80 |          6        0.06       96.62
         83 |          1        0.01       96.63
         84 |         26        0.26       96.89
         85 |          2        0.02       96.91
         87 |         10        0.10       97.01
         90 |         47        0.47       97.48
         91 |        169        1.69       99.17
         92 |          3        0.03       99.20
         99 |         80        0.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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