Frequencies for first 10,000 rows of depress variable in namcs2012 dataset :

 Depression |
  Screening |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,864       98.64       98.64
        Yes |        136        1.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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