Frequencies for first 10,000 rows of ped_srvc_cd variable in pos2015 dataset :

  Services: |
  Pediatric |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,580       85.80       85.80
          0 |        797        7.97       93.77
          1 |        546        5.46       99.23
          2 |         33        0.33       99.56
          3 |         44        0.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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