Frequencies for first 10,000 rows of srgcl_icu_srvc_cd variable in pos2016 dataset :

  Services: |
   Surgical |
   ICU Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,569       85.69       85.69
          0 |      1,208       12.08       97.77
          1 |        183        1.83       99.60
          2 |         12        0.12       99.72
          3 |         28        0.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017