Frequencies for first 10,000 rows of prov2185 variable in pos1997 dataset :

       srv: |
  intensive |
  care unit |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,792       87.92       87.92
          0 |        407        4.07       91.99
          1 |        762        7.62       99.61
          2 |         32        0.32       99.93
          3 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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