Frequencies for first 10,000 rows of immedrfl variable in nhamcsed2011 dataset :

  Immediacy |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
Not imputed |      8,639       86.39       86.39
    Imputed |      1,361       13.61      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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