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

          Does practice have |
    computerized capability: |
     providing reminders for |
                intervention |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |        548        5.48        5.48
                         Yes |      5,143       51.43       56.91
                          No |      3,903       39.03       95.94
Yes, but turned off/not used |        406        4.06      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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