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

   death_yr |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,857       58.57       58.57
       2000 |      4,136       41.36       99.93
       2001 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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