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

location of |
   rollover |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,364       83.64       83.64
          1 |        354        3.54       87.18
          2 |         54        0.54       87.72
          3 |        146        1.46       89.18
          4 |         16        0.16       89.34
          5 |        795        7.95       97.29
          6 |        240        2.40       99.69
          9 |         31        0.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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