Frequencies for first 10,000 rows of llbyr variable in natl1987 dataset :

    Year of |
  Last Live |
      Birth |      Freq.     Percent        Cum.
------------+-----------------------------------
         66 |          1        0.01        0.01
         67 |          3        0.03        0.04
         68 |          8        0.08        0.12
         69 |          8        0.08        0.20
         70 |         19        0.19        0.39
         71 |         23        0.23        0.62
         72 |         18        0.18        0.80
         73 |         38        0.38        1.18
         74 |         45        0.45        1.63
         75 |         49        0.49        2.12
         76 |         93        0.93        3.05
         77 |      4,566       45.66       48.71
         78 |        116        1.16       49.87
         79 |        194        1.94       51.81
         80 |        284        2.84       54.65
         81 |        393        3.93       58.58
         82 |        547        5.47       64.05
         83 |        794        7.94       71.99
         84 |      1,052       10.52       82.51
         85 |      1,359       13.59       96.10
         86 |        234        2.34       98.44
         87 |        106        1.06       99.50
         99 |         50        0.50      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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