Frequencies for first 10,000 rows of ebillrece variable in nhamcsed2010 dataset :

      Does your ED submit claims |
      electronically (electronic |
                       billing)? |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
                           blank |     10,000      100.00      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

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