Frequencies for first 10,000 rows of timemdfl variable in namcs2011 dataset :

 Time spent |
       with |
  physician |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
Not imputed |      7,554       75.54       75.54
    Imputed |      2,446       24.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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