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

     MANNER |
    LEAVING |
      SCENE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,237       12.37       12.37
          2 |      8,554       85.54       97.91
          3 |         28        0.28       98.19
          9 |        181        1.81      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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