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

     MANNOR |
    LEAVING |
      SCENE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,557       15.57       15.57
          2 |      8,259       82.59       98.16
          3 |         68        0.68       98.84
          9 |        116        1.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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