Frequencies for first 10,000 rows of prov2410 variable in pos2004 dataset :

       srv: |
postoperati |
ve recovery |
       room |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,766       87.66       87.66
          0 |        349        3.49       91.15
          1 |        839        8.39       99.54
          2 |         36        0.36       99.90
          3 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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