Frequencies for first 10,000 rows of prov2185 variable in pos1999 dataset :

       srv: |
  intensive |
  care unit |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,885       88.85       88.85
          0 |        373        3.73       92.58
          1 |        709        7.09       99.67
          2 |         28        0.28       99.95
          3 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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