Frequencies for first 10,000 rows of llbyr variable in natl1985 dataset :

    Year of |
  Last Live |
      Birth |      Freq.     Percent        Cum.
------------+-----------------------------------
         47 |          1        0.01        0.01
         60 |          1        0.01        0.02
         61 |          1        0.01        0.03
         62 |          1        0.01        0.04
         63 |          1        0.01        0.05
         65 |          3        0.03        0.08
         66 |          3        0.03        0.11
         67 |          4        0.04        0.15
         68 |         11        0.11        0.26
         69 |         20        0.20        0.46
         70 |         27        0.27        0.73
         71 |         25        0.25        0.98
         72 |         53        0.53        1.51
         73 |         60        0.60        2.11
         74 |         77        0.77        2.88
         75 |        140        1.40        4.28
         76 |        158        1.58        5.86
         77 |      4,651       46.51       52.37
         78 |        240        2.40       54.77
         79 |        402        4.02       58.79
         80 |        572        5.72       64.51
         81 |        806        8.06       72.57
         82 |      1,140       11.40       83.97
         83 |      1,271       12.71       96.68
         84 |        202        2.02       98.70
         85 |         95        0.95       99.65
         99 |         35        0.35      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016