Frequencies for country variable in enfrep20140507 dataset :

    Country |      Freq.     Percent        Cum.
------------+-----------------------------------
         CA |          1        0.83        0.83
         DE |          1        0.83        1.67
         US |        118       98.33      100.00
------------+-----------------------------------
      Total |        120      100.00

by Jean Roth , jroth@nber.org , 18 Dec 2015