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

 Compliance |
       with |
    License |
Restriction |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,112       81.12       81.12
          1 |        171        1.71       82.83
          2 |         18        0.18       83.01
          3 |      1,086       10.86       93.87
          9 |        613        6.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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