Frequencies for first 10,000 rows of llbyr variable in natl1976 dataset :

    Year of |
  Last Live |
      Birth |      Freq.     Percent        Cum.
------------+-----------------------------------
         51 |          1        0.01        0.01
         55 |          3        0.03        0.04
         56 |          6        0.06        0.10
         57 |          3        0.03        0.13
         58 |          2        0.02        0.15
         59 |         11        0.11        0.26
         60 |          8        0.08        0.34
         61 |         14        0.14        0.48
         62 |         13        0.13        0.61
         63 |         30        0.30        0.91
         64 |         37        0.37        1.28
         65 |         60        0.60        1.88
         66 |         80        0.80        2.68
         67 |        115        1.15        3.83
         68 |        184        1.84        5.67
         69 |        230        2.30        7.97
         70 |        456        4.56       12.53
         71 |        627        6.27       18.80
         72 |        828        8.28       27.08
         73 |      1,130       11.30       38.38
         74 |      1,286       12.86       51.24
         75 |        254        2.54       53.78
         76 |         84        0.84       54.62
         77 |      4,444       44.44       99.06
         99 |         94        0.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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