Frequencies for first 10,000 rows of burn_care_unit_srvc_cd variable in pos2010 dataset :

  SRV: BURN |
  CARE UNIT |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,626       86.26       86.26
          0 |      1,308       13.08       99.34
          1 |         32        0.32       99.66
          2 |         29        0.29       99.95
          3 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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