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

   death_hr |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,986       59.86       59.86
          1 |        165        1.65       61.51
          2 |        141        1.41       62.92
          3 |        120        1.20       64.12
          4 |        100        1.00       65.12
          5 |        134        1.34       66.46
          6 |        135        1.35       67.81
          7 |        130        1.30       69.11
          8 |        122        1.22       70.33
          9 |        125        1.25       71.58
         10 |        149        1.49       73.07
         11 |        132        1.32       74.39
         12 |        164        1.64       76.03
         13 |        162        1.62       77.65
         14 |        181        1.81       79.46
         15 |        195        1.95       81.41
         16 |        194        1.94       83.35
         17 |        215        2.15       85.50
         18 |        212        2.12       87.62
         19 |        231        2.31       89.93
         20 |        206        2.06       91.99
         21 |        204        2.04       94.03
         22 |        192        1.92       95.95
         23 |        186        1.86       97.81
         24 |          1        0.01       97.82
         99 |        218        2.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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