Frequencies for first 10,000 rows of timemdfl variable in nhamcsopd2000 dataset :

   was time |
 spent with |
  physician |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      4,986       49.86       49.86
          1 |      5,014       50.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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