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

    RELATED |
   FACTOR 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,023       80.23       80.23
          1 |         26        0.26       80.49
          2 |          4        0.04       80.53
          3 |          4        0.04       80.57
          4 |          5        0.05       80.62
          5 |         70        0.70       81.32
          6 |         41        0.41       81.73
         11 |          2        0.02       81.75
         13 |          1        0.01       81.76
         15 |          1        0.01       81.77
         16 |          3        0.03       81.80
         21 |          2        0.02       81.82
         23 |          4        0.04       81.86
         24 |          9        0.09       81.95
         26 |          8        0.08       82.03
         27 |         17        0.17       82.20
         28 |        322        3.22       85.42
         29 |          5        0.05       85.47
         30 |          1        0.01       85.48
         31 |          2        0.02       85.50
         33 |          6        0.06       85.56
         34 |          1        0.01       85.57
         35 |          6        0.06       85.63
         36 |         31        0.31       85.94
         37 |          9        0.09       86.03
         38 |         11        0.11       86.14
         39 |         38        0.38       86.52
         40 |          1        0.01       86.53
         41 |          3        0.03       86.56
         44 |        240        2.40       88.96
         45 |          3        0.03       88.99
         46 |          3        0.03       89.02
         48 |        185        1.85       90.87
         50 |          1        0.01       90.88
         51 |         16        0.16       91.04
         52 |         17        0.17       91.21
         53 |         29        0.29       91.50
         54 |          2        0.02       91.52
         55 |          1        0.01       91.53
         57 |         11        0.11       91.64
         58 |        153        1.53       93.17
         61 |         23        0.23       93.40
         62 |         10        0.10       93.50
         63 |         12        0.12       93.62
         64 |          1        0.01       93.63
         65 |          1        0.01       93.64
         66 |          4        0.04       93.68
         67 |          1        0.01       93.69
         73 |         15        0.15       93.84
         74 |          6        0.06       93.90
         75 |          1        0.01       93.91
         76 |          2        0.02       93.93
         79 |         12        0.12       94.05
         80 |         13        0.13       94.18
         81 |          2        0.02       94.20
         82 |          1        0.01       94.21
         84 |         14        0.14       94.35
         85 |          6        0.06       94.41
         87 |         23        0.23       94.64
         88 |          1        0.01       94.65
         89 |          7        0.07       94.72
         90 |         74        0.74       95.46
         91 |         11        0.11       95.57
         92 |        197        1.97       97.54
         93 |         13        0.13       97.67
         94 |          9        0.09       97.76
         99 |        224        2.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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