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

       Does |
patient now |
      have: |
Obstructive |
sleep apnea |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,762       97.62       97.62
        Yes |        238        2.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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