Frequencies for chronicanddisablingmentalhea variable in snp2016 dataset :

Chronic and |
  Disabling |
     Mental |
     Health |
 Conditions |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,394       99.86       99.86
          * |         12        0.14      100.00
------------+-----------------------------------
      Total |      8,406      100.00

by Jean Roth , jroth@nber.org , 19 Sep 2018