Frequencies for first 10,000 rows of psych_srvc_cd variable in pos2003 dataset :

       srv: |
psychiatric |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,789       87.89       87.89
          0 |        707        7.07       94.96
          1 |        360        3.60       98.56
          2 |         85        0.85       99.41
          3 |         59        0.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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