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

  Manner of |
    Leaving |
      Scene |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,522       15.22       15.22
          2 |      8,070       80.70       95.92
          3 |        123        1.23       97.15
          9 |        285        2.85      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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