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

   Does your practice have a |
     computerized system for |
    viewing imaging results? |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       Blank |         40        0.40        0.40
                     Unknown |        162        1.62        2.02
                         Yes |      5,759       57.59       59.61
                          No |      3,656       36.56       96.17
Yes, but turned off/not used |        383        3.83      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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