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

     MANNER |
    LEAVING |
      SCENE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,252       12.52       12.52
          2 |      8,543       85.43       97.95
          3 |         45        0.45       98.40
          9 |        160        1.60      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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