Frequencies for first 10,000 rows of mhp variable in nhamcsopd2011 dataset :

     Mental |
     health |
   provider |
       seen |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      8,965       89.65       89.65
        Yes |      1,035       10.35      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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