Frequencies for first 10,000 rows of einsfaste variable in nhamcsed2012 dataset :

    When your staff |
     electronically |
         verifies a |
patient's insurance |
 eligibility, do yo |      Freq.     Percent        Cum.
--------------------+-----------------------------------
All boxes are blank |     10,000      100.00      100.00
--------------------+-----------------------------------
              Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016