Frequencies for first 10,000 rows of opthlmc_srgy_srvc_cd variable in pos2014 d

  Services: |
 Ophthalmic |
    Surgery |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,592       85.92       85.92
          0 |      1,128       11.28       97.20
          1 |        205        2.05       99.25
          2 |         34        0.34       99.59
          3 |         41        0.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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