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

   Exercise |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,162       91.62       91.62
        Yes |        838        8.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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