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

   death_hr |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,138       61.38       61.38
          1 |        185        1.85       63.23
          2 |        184        1.84       65.07
          3 |        106        1.06       66.13
          4 |        104        1.04       67.17
          5 |        118        1.18       68.35
          6 |         93        0.93       69.28
          7 |        103        1.03       70.31
          8 |        100        1.00       71.31
          9 |        102        1.02       72.33
         10 |        108        1.08       73.41
         11 |        134        1.34       74.75
         12 |        143        1.43       76.18
         13 |        181        1.81       77.99
         14 |        210        2.10       80.09
         15 |        178        1.78       81.87
         16 |        195        1.95       83.82
         17 |        174        1.74       85.56
         18 |        227        2.27       87.83
         19 |        206        2.06       89.89
         20 |        232        2.32       92.21
         21 |        223        2.23       94.44
         22 |        180        1.80       96.24
         23 |        207        2.07       98.31
         99 |        169        1.69      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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