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

 Compliance |
       with |
    License |
Restriction |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,699       76.99       76.99
          1 |        177        1.77       78.76
          2 |         24        0.24       79.00
          3 |      1,506       15.06       94.06
          9 |        594        5.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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