Frequencies for country variable in enfrep20130529 dataset :

    Country |      Freq.     Percent        Cum.
------------+-----------------------------------
         CA |          3        1.58        1.58
         FR |          1        0.53        2.11
         IT |          1        0.53        2.63
         US |        185       97.37      100.00
------------+-----------------------------------
      Total |        190      100.00

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