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

 Compliance |
       with |
    License |
Restriction |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,836       78.36       78.36
          1 |        154        1.54       79.90
          2 |         23        0.23       80.13
          3 |      1,383       13.83       93.96
          9 |        604        6.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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