Frequencies for first 10,000 rows of eresult variable in namcs2013 dataset :

          Does practice have |
    computerized capability: |
         viewing lab results |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |         79        0.79        0.79
           Refused to answer |         16        0.16        0.95
         Yes, used routinely |      6,732       67.32       68.27
 Yes, but NOT used routinely |        628        6.28       74.55
Yes, but turned off/not used |        237        2.37       76.92
                          No |      2,308       23.08      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017