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

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,575       95.75       95.75
          2 |          7        0.07       95.82
          3 |          7        0.07       95.89
          4 |         71        0.71       96.60
          5 |         13        0.13       96.73
          6 |          3        0.03       96.76
          7 |         11        0.11       96.87
         14 |         53        0.53       97.40
         15 |         11        0.11       97.51
         16 |         37        0.37       97.88
         17 |          3        0.03       97.91
         18 |         27        0.27       98.18
         19 |         88        0.88       99.06
         20 |         76        0.76       99.82
         99 |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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