Frequencies for first 10,000 rows of cf1 variable in accident dataset :

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,460       94.60       94.60
          1 |          9        0.09       94.69
          2 |          5        0.05       94.74
          3 |         14        0.14       94.88
          4 |         26        0.26       95.14
          5 |         10        0.10       95.24
          6 |          6        0.06       95.30
          7 |         11        0.11       95.41
         14 |         92        0.92       96.33
         15 |         16        0.16       96.49
         16 |         26        0.26       96.75
         17 |          2        0.02       96.77
         18 |         30        0.30       97.07
         19 |        112        1.12       98.19
         20 |         65        0.65       98.84
         21 |          3        0.03       98.87
         22 |          4        0.04       98.91
         99 |        109        1.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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