Frequencies for first 10,000 rows of emt variable in nhamcsed2003 dataset :

  emergency |
   med tech |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      8,864       88.64       88.64
        yes |      1,136       11.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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