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

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,322       93.22       93.22
          1 |          3        0.03       93.25
          2 |          4        0.04       93.29
          3 |         26        0.26       93.55
          4 |         15        0.15       93.70
          5 |         19        0.19       93.89
          6 |          9        0.09       93.98
          7 |          5        0.05       94.03
         14 |        196        1.96       95.99
         15 |         25        0.25       96.24
         16 |         26        0.26       96.50
         17 |          3        0.03       96.53
         18 |         26        0.26       96.79
         19 |        102        1.02       97.81
         20 |        102        1.02       98.83
         21 |          5        0.05       98.88
         22 |          6        0.06       98.94
         99 |        106        1.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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