Frequencies for first 10,000 rows of llbyr variable in natl1977 dataset :

    Year of |
  Last Live |
      Birth |      Freq.     Percent        Cum.
------------+-----------------------------------
         55 |          1        0.01        0.01
         57 |          2        0.02        0.03
         58 |          2        0.02        0.05
         59 |          9        0.09        0.14
         60 |          4        0.04        0.18
         61 |         12        0.12        0.30
         62 |         13        0.13        0.43
         63 |         29        0.29        0.72
         64 |         44        0.44        1.16
         65 |         46        0.46        1.62
         66 |         64        0.64        2.26
         67 |        106        1.06        3.32
         68 |        124        1.24        4.56
         69 |        196        1.96        6.52
         70 |        288        2.88        9.40
         71 |        460        4.60       14.00
         72 |        653        6.53       20.53
         73 |        863        8.63       29.16
         74 |      1,118       11.18       40.34
         75 |      1,266       12.66       53.00
         76 |        235        2.35       55.35
         77 |      4,414       44.14       99.49
         99 |         51        0.51      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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