Frequencies for first 10,000 rows of ped_srvc_cd variable in pos2008 dataset :

       srv: |
  pediatric |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,655       86.55       86.55
          0 |        731        7.31       93.86
          1 |        562        5.62       99.48
          2 |         31        0.31       99.79
          3 |         21        0.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017