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

   Accident |
    Related |
   Factor 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,550       95.50       95.50
          1 |         15        0.15       95.65
          2 |         35        0.35       96.00
          3 |         18        0.18       96.18
          4 |         14        0.14       96.32
          5 |         36        0.36       96.68
          6 |         33        0.33       97.01
          7 |         28        0.28       97.29
         99 |        271        2.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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