Frequencies for first 10,000 rows of death_yr variable in person dataset :

   death_yr |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,822       58.22       58.22
       2006 |      4,173       41.73       99.95
       2007 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016