Frequencies for first 10,000 rows of othimage variable in nhamcsed2013 dataset :

      Other |
    imaging |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,893       98.93       98.93
        Yes |        107        1.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016