Frequencies for first 10,000 rows of prov6200 variable in pos2009 dataset :

 SRV: ICU - |
  PEDIATRIC |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,638       86.38       86.38
          0 |      1,323       13.23       99.61
          1 |         28        0.28       99.89
          2 |          8        0.08       99.97
          3 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017