Frequencies for first 10,000 rows of prov2350 variable in pos1998 dataset :

       srv: |
 outpatient |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,805       88.05       88.05
          0 |        247        2.47       90.52
          1 |        876        8.76       99.28
          2 |         29        0.29       99.57
          3 |         43        0.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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