Frequencies for first 10,000 rows of prov2185 variable in pos2002 dataset :

       srv: |
  intensive |
  care unit |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,812       88.12       88.12
          0 |        420        4.20       92.32
          1 |        728        7.28       99.60
          2 |         34        0.34       99.94
          3 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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