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

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,534       95.34       95.34
          1 |          5        0.05       95.39
          2 |         19        0.19       95.58
          3 |         16        0.16       95.74
          4 |        104        1.04       96.78
          5 |         20        0.20       96.98
          6 |          7        0.07       97.05
          7 |          6        0.06       97.11
         14 |         37        0.37       97.48
         15 |          4        0.04       97.52
         16 |         36        0.36       97.88
         17 |          1        0.01       97.89
         18 |         35        0.35       98.24
         19 |         67        0.67       98.91
         99 |        109        1.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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