Frequencies for first 10,000 rows of prov2350 variable in pos2001 dataset :

       srv: |
 outpatient |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,837       88.37       88.37
          0 |        250        2.50       90.87
          1 |        836        8.36       99.23
          2 |         29        0.29       99.52
          3 |         48        0.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016