Frequencies for first 10,000 rows of sexfl variable in nhamcsopd2009 dataset :

        sex |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
not imputed |      9,902       99.02       99.02
    imputed |         98        0.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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