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

 compliance |
       with |
    license |
restriction |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,754       67.54       67.54
          1 |        445        4.45       71.99
          2 |         62        0.62       72.61
          3 |      2,312       23.12       95.73
          7 |         66        0.66       96.39
          9 |        361        3.61      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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