Frequencies for first 10,000 rows of prov2350 variable in pos1997 dataset :

       srv: |
 outpatient |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,792       87.92       87.92
          0 |        249        2.49       90.41
          1 |        884        8.84       99.25
          2 |         30        0.30       99.55
          3 |         45        0.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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