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

 Compliance |
       with |
    License |
Restriction |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,712       77.12       77.12
          1 |        184        1.84       78.96
          2 |         24        0.24       79.20
          3 |      1,500       15.00       94.20
          9 |        580        5.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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