Frequencies for first 10,000 rows of llbyr variable in natl1986 dataset :

    Year of |
  Last Live |
      Birth |      Freq.     Percent        Cum.
------------+-----------------------------------
         51 |          1        0.01        0.01
         61 |          1        0.01        0.02
         62 |          1        0.01        0.03
         66 |          1        0.01        0.04
         67 |          4        0.04        0.08
         68 |          7        0.07        0.15
         69 |          3        0.03        0.18
         70 |         24        0.24        0.42
         71 |         36        0.36        0.78
         72 |         50        0.50        1.28
         73 |         39        0.39        1.67
         74 |         67        0.67        2.34
         75 |         88        0.88        3.22
         76 |        102        1.02        4.24
         77 |      4,498       44.98       49.22
         78 |        213        2.13       51.35
         79 |        267        2.67       54.02
         80 |        405        4.05       58.07
         81 |        581        5.81       63.88
         82 |        775        7.75       71.63
         83 |      1,097       10.97       82.60
         84 |      1,349       13.49       96.09
         85 |        258        2.58       98.67
         86 |         81        0.81       99.48
         99 |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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