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

      Death |
  Date-Year |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,803       58.03       58.03
         87 |      4,193       41.93       99.96
         88 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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