Frequencies for first 10,000 rows of cebvd variable in nhamcsopd2011 dataset :

       Does |
patient now |
     have - |
Cerebrovasc |
       ular |
disease/His |
    tory of |
  stroke or |
transient i |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,790       97.90       97.90
        Yes |        210        2.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016