Frequencies for first 10,000 rows of advtriag variable in nhamcsed2014 dataset :

Does ED use |
   advanced |
     triage |
(triage-bas |
   ed care) |
 protocols? |      Freq.     Percent        Cum.
------------+-----------------------------------
    Unknown |      1,067       10.67       10.67
        Yes |      7,634       76.34       87.01
         No |      1,299       12.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017