Frequencies for first 10,000 rows of SRGCL_ICU_SRVC_CD variable in pos2011 dataset :

   Services |
  Provided: |
        ICU |
   Surgical |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,614       86.14       86.14
          0 |      1,239       12.39       98.53
          1 |        128        1.28       99.81
          2 |          8        0.08       99.89
          3 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2019