Frequencies for first 10,000 rows of chld_adlscnt_psych_srvc_cd variable in pos2007 dataset :

       srv: |
psychiatric |
child/adole |
      scent |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,682       86.82       86.82
          0 |      1,291       12.91       99.73
          1 |         20        0.20       99.93
          2 |          3        0.03       99.96
          3 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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