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

         Does your ED have a |
     computerized system for |
    viewing imaging results? |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |        374        3.74        3.74
         Yes, used routinely |      8,967       89.67       93.41
 Yes, but NOT used routinely |        117        1.17       94.58
Yes, but turned off/not used |         96        0.96       95.54
                          No |        446        4.46      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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