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

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,352       93.52       93.52
          1 |          3        0.03       93.55
          2 |          3        0.03       93.58
          3 |         20        0.20       93.78
          4 |         28        0.28       94.06
          5 |         11        0.11       94.17
          6 |          7        0.07       94.24
          7 |          1        0.01       94.25
         14 |        198        1.98       96.23
         15 |          5        0.05       96.28
         16 |         22        0.22       96.50
         17 |          3        0.03       96.53
         18 |         27        0.27       96.80
         19 |        116        1.16       97.96
         20 |        103        1.03       98.99
         21 |          4        0.04       99.03
         22 |          4        0.04       99.07
         99 |         93        0.93      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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