Frequencies for first 10,000 rows of prov2410 variable in pos1996 dataset :

       srv: |
postoperati |
ve recovery |
       room |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,803       88.03       88.03
          0 |        327        3.27       91.30
          1 |        841        8.41       99.71
          2 |         25        0.25       99.96
          3 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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