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

 compliance |
       with |
    license |
restriction |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,924       69.24       69.24
          1 |        495        4.95       74.19
          2 |         71        0.71       74.90
          3 |      2,131       21.31       96.21
          7 |         61        0.61       96.82
          9 |        318        3.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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