Frequencies for first 10,000 rows of shck_trma_srvc_cd variable in pos2012 data

   Services |
  Provided: |
     Trauma |
     Center |
(Designated |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,606       86.06       86.06
          0 |      1,258       12.58       98.64
          1 |         90        0.90       99.54
          2 |         25        0.25       99.79
          3 |         21        0.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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