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

  Extent of |
Deformation |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        264        2.64        2.64
          2 |      1,001       10.01       12.65
          4 |      1,224       12.24       24.89
          6 |      7,247       72.47       97.36
          9 |        264        2.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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