Frequencies for first 10,000 rows of prov2410 variable in pos2002 dataset :

       srv: |
postoperati |
ve recovery |
       room |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,812       88.12       88.12
          0 |        325        3.25       91.37
          1 |        824        8.24       99.61
          2 |         29        0.29       99.90
          3 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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