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

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,521       95.21       95.21
          3 |         14        0.14       95.35
          4 |         22        0.22       95.57
          5 |          7        0.07       95.64
          6 |          4        0.04       95.68
          7 |          1        0.01       95.69
         13 |          1        0.01       95.70
         14 |        147        1.47       97.17
         15 |          5        0.05       97.22
         16 |         22        0.22       97.44
         17 |          1        0.01       97.45
         18 |         12        0.12       97.57
         19 |         92        0.92       98.49
         20 |        112        1.12       99.61
         22 |          1        0.01       99.62
         99 |         38        0.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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