Frequencies for first 10,000 rows of eimmrege variable in nhamcsed2014 dataset :

         Does your ED have a |
     computerized system for |
     electronic reporting to |
                immunization |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |      1,756       17.56       17.56
         Yes, used routinely |      4,987       49.87       67.43
 Yes, but NOT used routinely |        395        3.95       71.38
Yes, but turned off/not used |        383        3.83       75.21
                          No |      2,479       24.79      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017