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 |        204        2.04       79.03
          2 |         26        0.26       79.29
          3 |      1,433       14.33       93.62
          9 |        638        6.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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