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

     MANNOR |
    LEAVING |
      SCENE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,482       14.82       14.82
          2 |      8,289       82.89       97.71
          3 |         53        0.53       98.24
          9 |        176        1.76      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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