Frequencies for first 10,000 rows of cholest variable in namcs1997 dataset :

cholestorol |
    measure |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,595       95.95       95.95
          1 |        405        4.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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