Frequencies for first 10,000 rows of eshareref variable in namcs2012 dataset :

How does practice |
   electronically |
    share patient |
           health |
     information: |
    refused to qu |      Freq.     Percent        Cum.
------------------+-----------------------------------
   Not applicable |      6,561       65.61       65.61
Box is not marked |      3,439       34.39      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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