Frequencies for first 10,000 rows of prov6255 variable in pos2008 dataset :

       srv: |
psychiatric |
          - |
 outpatient |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,655       86.55       86.55
          0 |      1,286       12.86       99.41
          1 |         46        0.46       99.87
          2 |          6        0.06       99.93
          3 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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