Frequencies for first 10,000 rows of cf3 variable in accident dataset :

    RELATED |
   FACTOR 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,991       99.91       99.91
          5 |          1        0.01       99.92
         99 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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