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

 COMPLIANCE |
      W/LIC |
RESTRICTION |
          S |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,881       68.81       68.81
          1 |        416        4.16       72.97
          2 |         60        0.60       73.57
          3 |      2,212       22.12       95.69
          9 |        390        3.90       99.59
          . |         41        0.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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