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

LOCATION OF |
   ROLLOVER |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,007       80.07       80.07
          1 |        444        4.44       84.51
          2 |        240        2.40       86.91
          3 |        180        1.80       88.71
          4 |         20        0.20       88.91
          5 |        820        8.20       97.11
          6 |        246        2.46       99.57
          9 |         43        0.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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