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

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,433       94.33       94.33
          1 |          2        0.02       94.35
          2 |          5        0.05       94.40
          3 |         13        0.13       94.53
          4 |         22        0.22       94.75
          5 |         22        0.22       94.97
          6 |          6        0.06       95.03
          7 |          1        0.01       95.04
         14 |        199        1.99       97.03
         15 |          8        0.08       97.11
         16 |         19        0.19       97.30
         18 |         22        0.22       97.52
         19 |         97        0.97       98.49
         20 |         77        0.77       99.26
         21 |          6        0.06       99.32
         22 |          8        0.08       99.40
         99 |         60        0.60      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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