Frequencies for first 10,000 rows of immedfl variable in nhamcsed2007 dataset :

  immediacy |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
not imputed |      9,773       97.73       97.73
    imputed |        227        2.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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