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

 COMPLIANCE |
      W/LIC |
ENDORSEMENT |
          S |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,441       94.41       94.41
          1 |        158        1.58       95.99
          2 |          3        0.03       96.02
          3 |         46        0.46       96.48
          9 |        311        3.11       99.59
          . |         41        0.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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