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

 compliance |
       with |
    license |
restriction |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,876       68.76       68.76
          1 |        472        4.72       73.48
          2 |         56        0.56       74.04
          3 |      2,087       20.87       94.91
          7 |         51        0.51       95.42
          9 |        458        4.58      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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