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

 COMPLIANCE |
      W/LIC |
ENDORSEMENT |
          S |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,298       92.98       92.98
          1 |        260        2.60       95.58
          2 |          6        0.06       95.64
          3 |         12        0.12       95.76
          9 |        372        3.72       99.48
          . |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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