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

   Does your practice have a |
     computerized system for |
    public health reporting? |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |      1,102       11.02       11.02
                         Yes |      2,463       24.63       35.65
                          No |      5,858       58.58       94.23
Yes, but turned off/not used |        577        5.77      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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