Frequencies for first 10,000 rows of ped_srvc_cd variable in pos2017 dataset :

  Services: |
  Pediatric |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,569       85.69       85.69
          0 |        814        8.14       93.83
          1 |        538        5.38       99.21
          2 |         32        0.32       99.53
          3 |         47        0.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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