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

  Services: |
  Inpatient |
   Surgical |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,569       85.69       85.69
          0 |        506        5.06       90.75
          1 |        808        8.08       98.83
          2 |         47        0.47       99.30
          3 |         70        0.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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