Frequencies for first 10,000 rows of bdatefl variable in nhamcsed2010 dataset :

 Birth date |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
not imputed |      9,945       99.45       99.45
    imputed |         55        0.55      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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