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

 Compliance |
       with |
    License |
Restriction |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,988       79.88       79.88
          1 |        176        1.76       81.64
          2 |         24        0.24       81.88
          3 |      1,221       12.21       94.09
          9 |        591        5.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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