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 |          6        0.06       94.39
          2 |         10        0.10       94.49
          3 |         28        0.28       94.77
          4 |         24        0.24       95.01
          5 |         17        0.17       95.18
          6 |          3        0.03       95.21
          7 |          3        0.03       95.24
         14 |        120        1.20       96.44
         15 |         25        0.25       96.69
         16 |         20        0.20       96.89
         17 |          5        0.05       96.94
         18 |         30        0.30       97.24
         19 |         97        0.97       98.21
         20 |         84        0.84       99.05
         21 |          2        0.02       99.07
         22 |          4        0.04       99.11
         99 |         89        0.89      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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