Frequencies for first 10,000 rows of fbrem variable in nhamcsed2008 dataset :

    foreign |
       body |
    removal |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,946       99.46       99.46
        yes |         54        0.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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