Frequencies for first 10,000 rows of immed variable in nhamcsed2006 dataset :

 immediacy with |
  which patient |
 should be seen |      Freq.     Percent        Cum.
----------------+-----------------------------------
      immediate |        440        4.40        4.40
       1-14 min |      1,104       11.04       15.44
      15-60 min |      3,282       32.82       48.26
  >1 hr - 2 hrs |      2,552       25.52       73.78
>2 hrs - 24 hrs |      1,340       13.40       87.18
      no triage |        151        1.51       88.69
        unknown |      1,131       11.31      100.00
----------------+-----------------------------------
          Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016