Frequencies for first 10,000 rows of opthmlgy_srgry_sw variable in pos2012 data

 Specialty: |
Opthamology |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      1,676       16.76       16.76
          N |      8,099       80.99       97.75
          Y |        225        2.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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