Frequencies for first 10,000 rows of op_srgry_unit_srvc_cd variable in pos2014 

  Services: |
 Outpatient |
    Surgery |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,592       85.92       85.92
          0 |        611        6.11       92.03
          1 |        695        6.95       98.98
          2 |         39        0.39       99.37
          3 |         63        0.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016