Frequencies for first 10,000 rows of prov2350 variable in pos1995 dataset :

       srv: |
 outpatient |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,933       89.33       89.33
          0 |        233        2.33       91.66
          1 |        771        7.71       99.37
          2 |         24        0.24       99.61
          3 |         39        0.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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