Frequencies for first 10,000 rows of prov2410 variable in pos2006 dataset :

       srv: |
postoperati |
ve recovery |
       room |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,710       87.10       87.10
          0 |        369        3.69       90.79
          1 |        878        8.78       99.57
          2 |         31        0.31       99.88
          3 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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