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

  Services: |
  Emergency |
 Department |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,560       85.60       85.60
          0 |        459        4.59       90.19
          1 |        615        6.15       96.34
          2 |        111        1.11       97.45
          3 |        255        2.55      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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