Frequencies for first 10,000 rows of audio variable in namcs2014 dataset :

 Audiometry |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,927       99.27       99.27
        Yes |         73        0.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017