Frequencies for first 10,000 rows of sexfl variable in namcs2007 dataset :

        sex |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
not imputed |      9,913       99.13       99.13
    imputed |         87        0.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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