Frequencies for first 10,000 rows of epnotes variable in namcs2011 dataset :

          Does practice have |
     computerized system for |
   recording clinical notes? |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |         29        0.29        0.29
                         Yes |      6,229       62.29       62.58
                          No |      3,463       34.63       97.21
Yes, but turned off/not used |        279        2.79      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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