Frequencies for first 10,000 rows of vctnl_gdnc_srvc_cd variable in pos2011 dataset :

   Service: |
 Vocational |
   Guidance |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,700       87.00       87.00
          0 |      1,277       12.77       99.77
          1 |          5        0.05       99.82
          2 |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Apr 2019