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

    vehicle |
    removal |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |      7,088       70.88       70.88
          3 |      1,305       13.05       83.93
          5 |      1,467       14.67       98.60
          8 |         40        0.40       99.00
          9 |        100        1.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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