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

       srv: |
psychiatric |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,682       86.82       86.82
          0 |        820        8.20       95.02
          1 |        358        3.58       98.60
          2 |         84        0.84       99.44
          3 |         56        0.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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