Frequencies for first 10,000 rows of immedfl variable in nhamcsed2006 dataset :

  immediacy |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
not imputed |      9,710       97.10       97.10
    imputed |        290        2.90      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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