Frequencies for first 10,000 rows of prov2185 variable in pos1998 dataset :

       srv: |
  intensive |
  care unit |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,805       88.05       88.05
          0 |        388        3.88       91.93
          1 |        770        7.70       99.63
          2 |         29        0.29       99.92
          3 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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