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

 compliance |
       with |
    license |
restriction |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,863       68.63       68.63
          1 |        395        3.95       72.58
          2 |         49        0.49       73.07
          3 |      2,219       22.19       95.26
          7 |         64        0.64       95.90
          9 |        410        4.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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