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

     MANNOR |
    LEAVING |
      SCENE |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,508       15.08       15.08
          2 |      8,244       82.44       97.52
          3 |         90        0.90       98.42
          9 |        158        1.58      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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