Frequencies for first 10,000 rows of othimage variable in nhamcsed2011 dataset :

      Other |
    imaging |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,903       99.03       99.03
        Yes |         97        0.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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