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

          Does practice have |
    computerized capability: |
     providing patients with |
                clinical sum |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |        139        1.39        1.39
         Yes, used routinely |      4,512       45.12       46.51
 Yes, but NOT used routinely |        911        9.11       55.62
Yes, but turned off/not used |        421        4.21       59.83
                          No |      4,017       40.17      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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