Frequencies for first 10,000 rows of prov2185 variable in pos2001 dataset :

       srv: |
  intensive |
  care unit |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,837       88.37       88.37
          0 |        403        4.03       92.40
          1 |        723        7.23       99.63
          2 |         33        0.33       99.96
          3 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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