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

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,571       95.71       95.71
          1 |          2        0.02       95.73
          2 |         11        0.11       95.84
          3 |          6        0.06       95.90
          4 |        148        1.48       97.38
          5 |         13        0.13       97.51
          6 |          3        0.03       97.54
          7 |          1        0.01       97.55
         14 |         44        0.44       97.99
         15 |         10        0.10       98.09
         16 |         46        0.46       98.55
         17 |          5        0.05       98.60
         18 |         18        0.18       98.78
         19 |         70        0.70       99.48
         99 |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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