Frequencies for first 10,000 rows of vctnl_gdnc_srvc_cd variable in pos2016 dataset :

  Services: |
 Vocational |
   Guidance |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,967       89.67       89.67
          0 |      1,016       10.16       99.83
          1 |          2        0.02       99.85
          2 |         14        0.14       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017