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

 Death Date |
     (YEAR) |      Freq.     Percent        Cum.
------------+-----------------------------------
       2010 |      4,246       42.46       42.46
       2011 |          8        0.08       42.54
       8888 |      5,744       57.44       99.98
       9999 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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