Frequencies for first 10,000 rows of cholest variable in nhamcsed2002 dataset :

cholesterol |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,674       96.74       96.74
          1 |        326        3.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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