Frequencies for first 10,000 rows of open_hrt_srgry_srvc_cd variable in pos2017

  Services: |
    Cardiac |
   Thoracic |
    Surgery |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,569       85.69       85.69
          0 |      1,148       11.48       97.17
          1 |        206        2.06       99.23
          2 |         43        0.43       99.66
          3 |         34        0.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Jan 2018