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

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,399       93.99       93.99
          1 |          2        0.02       94.01
          2 |          6        0.06       94.07
          3 |         15        0.15       94.22
          4 |          6        0.06       94.28
          5 |         20        0.20       94.48
          6 |          3        0.03       94.51
          7 |          5        0.05       94.56
         14 |        129        1.29       95.85
         15 |         36        0.36       96.21
         16 |         23        0.23       96.44
         18 |         32        0.32       96.76
         19 |        116        1.16       97.92
         20 |         90        0.90       98.82
         21 |          6        0.06       98.88
         22 |          6        0.06       98.94
         99 |        106        1.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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