Frequencies for chronicanddisablingmentalhea variable in snp2017 dataset :

Chronic and |
  Disabling |
     Mental |
     Health |
 Conditions |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,896       99.87       99.87
          * |         12        0.13      100.00
------------+-----------------------------------
      Total |      8,908      100.00

by Jean Roth , jroth@nber.org , 6 Dec 2016