Frequencies for chronicanddisablingmentalhea variable in snp2018 dataset :

Chronic and |
  Disabling |
     Mental |
     Health |
 Conditions |      Freq.     Percent        Cum.
------------+-----------------------------------
            |     11,256       99.89       99.89
          * |         12        0.11      100.00
------------+-----------------------------------
      Total |     11,268      100.00

by Jean Roth , jroth@nber.org , 10 Sep 2018