Frequencies for first 10,000 rows of psych_srvc_cd variable in pos2008 dataset :

       srv: |
psychiatric |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,655       86.55       86.55
          0 |        845        8.45       95.00
          1 |        362        3.62       98.62
          2 |         81        0.81       99.43
          3 |         57        0.57      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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