Frequencies for first 10,000 rows of llbyr variable in natl1978 dataset :

    Year of |
  Last Live |
      Birth |      Freq.     Percent        Cum.
------------+-----------------------------------
         50 |          1        0.01        0.01
         57 |          1        0.01        0.02
         58 |          2        0.02        0.04
         59 |          3        0.03        0.07
         60 |          4        0.04        0.11
         61 |          7        0.07        0.18
         62 |         14        0.14        0.32
         63 |         13        0.13        0.45
         64 |         26        0.26        0.71
         65 |         47        0.47        1.18
         66 |         52        0.52        1.70
         67 |         73        0.73        2.43
         68 |        112        1.12        3.55
         69 |        142        1.42        4.97
         70 |        182        1.82        6.79
         71 |        335        3.35       10.14
         72 |        448        4.48       14.62
         73 |        605        6.05       20.67
         74 |        880        8.80       29.47
         75 |      1,081       10.81       40.28
         76 |      1,260       12.60       52.88
         77 |      4,530       45.30       98.18
         78 |         94        0.94       99.12
         99 |         88        0.88      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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