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

     MANNER |
    LEAVING |
      SCENE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,159       11.59       11.59
          2 |      8,552       85.52       97.11
          3 |         30        0.30       97.41
          9 |        259        2.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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