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

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,494       94.94       94.94
          1 |          1        0.01       94.95
          2 |          3        0.03       94.98
          3 |         14        0.14       95.12
          4 |         12        0.12       95.24
          5 |         14        0.14       95.38
          6 |          4        0.04       95.42
          7 |          3        0.03       95.45
         14 |         84        0.84       96.29
         15 |         21        0.21       96.50
         16 |         39        0.39       96.89
         17 |          5        0.05       96.94
         18 |         29        0.29       97.23
         19 |         88        0.88       98.11
         20 |         78        0.78       98.89
         21 |          6        0.06       98.95
         99 |        105        1.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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