Frequencies for first 10,000 rows of PED_SRVC_CD variable in pos2011 dataset :

   Services |
  Provided: |
  Pediatric |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,614       86.14       86.14
          0 |        764        7.64       93.78
          1 |        564        5.64       99.42
          2 |         33        0.33       99.75
          3 |         25        0.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2019