Frequencies for first 10,000 rows of lfdflg variable in natl1983 dataset :

  Flag Last |
Fetal Death |
 Valid Date |
       Flag |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,748       87.48       87.48
          1 |      1,252       12.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016