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

    RELATED |
   FACTOR 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,507       95.07       95.07
          1 |          3        0.03       95.10
          2 |         12        0.12       95.22
          3 |         10        0.10       95.32
          4 |        131        1.31       96.63
          5 |         14        0.14       96.77
          6 |          3        0.03       96.80
          7 |         12        0.12       96.92
         14 |         26        0.26       97.18
         15 |          7        0.07       97.25
         16 |         50        0.50       97.75
         17 |          3        0.03       97.78
         18 |         23        0.23       98.01
         19 |         73        0.73       98.74
         99 |        126        1.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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