Frequencies for first 10,000 rows of ebillrec variable in namcs2010 dataset :

     does practice submit claims |
                 electronically? |      Freq.     Percent        Cum.
---------------------------------+-----------------------------------
                           blank |         42        0.42        0.42
                         unknown |        223        2.23        2.65
             yes, all electronic |      6,699       66.99       69.64
yes, part paper, part electronic |      2,175       21.75       91.39
                              no |        861        8.61      100.00
---------------------------------+-----------------------------------
                           Total |     10,000      100.00

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