Frequencies for chronicanddisablingmentalhea variable in snp2013 dataset :

Chronic and |
  Disabling |
     Mental |
     Health |
 Conditions |      Freq.     Percent        Cum.
------------+-----------------------------------
            |     11,718       98.62       98.62
          * |        164        1.38      100.00
------------+-----------------------------------
      Total |     11,882      100.00

by Jean Roth , jroth@nber.org , 14 Apr 2016