Frequencies for first 10,000 rows of vctnl_gdnc_srvc_cd variable in pos1996 dataset :

       srv: |
 vocational |
   guidance |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,548       85.48       85.48
          0 |      1,427       14.27       99.75
          1 |          7        0.07       99.82
          2 |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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