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

  srv: burn |
  care unit |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,655       86.55       86.55
          0 |      1,285       12.85       99.40
          1 |         32        0.32       99.72
          2 |         25        0.25       99.97
          3 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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