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

  Manner of |
    Leaving |
      Scene |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,794       17.94       17.94
          2 |      8,028       80.28       98.22
          3 |         76        0.76       98.98
          9 |        102        1.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016