Frequencies for first 10,000 rows of ped_icu_srvc_cd variable in pos2018 dataset :

  Services: |
  Pediatric |
   ICU Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,560       85.60       85.60
          0 |      1,352       13.52       99.12
          1 |         64        0.64       99.76
          2 |          9        0.09       99.85
          3 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019