Frequencies for first 10,000 rows of orthpdc_srgry_sw variable in pos2011 dataset :

 Specialty: |
 Orthopedic |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        354        3.54        3.54
          N |      9,503       95.03       98.57
          Y |        143        1.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Apr 2019