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

      Death |
  Date-Year |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,797       57.97       57.97
         75 |      4,187       41.87       99.84
         76 |          1        0.01       99.85
         99 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016