Frequencies for first 10,000 rows of sexfl variable in nhamcsed2013 dataset :

        Sex |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
Not imputed |      9,901       99.01       99.01
    Imputed |         99        0.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016