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

 Compliance |
       with |
    license |
restriction |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
         -1 |         15        0.15        0.15
          0 |      6,769       67.69       67.84
          1 |        432        4.32       72.16
          2 |         81        0.81       72.97
          3 |      2,290       22.90       95.87
          8 |          4        0.04       95.91
          9 |        362        3.62       99.53
          . |         47        0.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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