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

   Dementia |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,963       99.63       99.63
          * |         37        0.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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