Frequencies for first 10,000 rows of prov2350 variable in pos1993 dataset :

       srv: |
 outpatient |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,856       88.56       88.56
          0 |        245        2.45       91.01
          1 |        828        8.28       99.29
          2 |         28        0.28       99.57
          3 |         43        0.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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