Frequencies for first 10,000 rows of emt variable in nhamcsed2002 dataset :

  emergency |
   med tech |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,456       94.56       94.56
          1 |        544        5.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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