Frequencies for first 10,000 rows of towaway variable in vehicle dataset :

     MANNOR |
    LEAVING |
      SCENE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,591       15.91       15.91
          2 |      8,122       81.22       97.13
          3 |         64        0.64       97.77
          9 |        223        2.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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