Frequencies for first 10,000 rows of pain_srgry_sw variable in pos2018 dataset :

   Surgical |
 Specialty: |
       Pain |
  Indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,549       95.49       95.49
          N |        342        3.42       98.91
          Y |        109        1.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019