Frequencies for first 10,000 rows of open_hrt_srgry_srvc_cd variable in pos2013

  Services: |
    Cardiac |
   Thoracic |
    Surgery |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,601       86.01       86.01
          0 |      1,118       11.18       97.19
          1 |        207        2.07       99.26
          2 |         46        0.46       99.72
          3 |         28        0.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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