Frequencies for first 10,000 rows of llbyr variable in natl1979 dataset :

    Year of |
  Last Live |
      Birth |      Freq.     Percent        Cum.
------------+-----------------------------------
         58 |          2        0.02        0.02
         60 |          5        0.05        0.07
         61 |          8        0.08        0.15
         62 |          6        0.06        0.21
         63 |         12        0.12        0.33
         64 |         21        0.21        0.54
         65 |         28        0.28        0.82
         66 |         25        0.25        1.07
         67 |         50        0.50        1.57
         68 |         77        0.77        2.34
         69 |         95        0.95        3.29
         70 |        170        1.70        4.99
         71 |        227        2.27        7.26
         72 |        316        3.16       10.42
         73 |        402        4.02       14.44
         74 |        600        6.00       20.44
         75 |        807        8.07       28.51
         76 |      1,071       10.71       39.22
         77 |      5,681       56.81       96.03
         78 |        257        2.57       98.60
         79 |         83        0.83       99.43
         99 |         57        0.57      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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