Frequencies for first 10,000 rows of vctnl_gdnc_srvc_cd variable in pos2009 dataset :

       SRV: |
 VOCATIONAL |
   GUIDANCE |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,205       82.05       82.05
          0 |      1,753       17.53       99.58
          1 |          8        0.08       99.66
          2 |         34        0.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017