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

  Services: |
 Outpatient |
    Surgery |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,569       85.69       85.69
          0 |        620        6.20       91.89
          1 |        698        6.98       98.87
          2 |         39        0.39       99.26
          3 |         74        0.74      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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