Frequencies for first 10,000 rows of chronicanddisablingmentalhea variable in snp2019 dataset :

Chronic and |
  Disabling |
     Mental |
     Health |
 Conditions |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,970       99.70       99.70
          * |         30        0.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019