Frequencies for first 10,000 rows of audio variable in namcs2015 dataset :

 Audiometry |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,830       98.30       98.30
          1 |        170        1.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017