Frequencies for first 10,000 rows of edemog variable in namcs2010 dataset :

          does practice have |
 computerized system for pat |
 history & demographic info? |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     unknown |         57        0.57        0.57
                         yes |      7,957       79.57       80.14
                          no |      1,893       18.93       99.07
yes, but turned off/not used |         93        0.93      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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