Frequencies for first 10,000 rows of llbyr variable in natl1993 dataset :

    Year of |
  Last Live |
      Birth |      Freq.     Percent        Cum.
------------+-----------------------------------
       1968 |          1        0.01        0.01
       1969 |          1        0.01        0.02
       1970 |          2        0.02        0.04
       1971 |          2        0.02        0.06
       1972 |          4        0.04        0.10
       1973 |          5        0.05        0.15
       1974 |         10        0.10        0.25
       1975 |         12        0.12        0.37
       1976 |         13        0.13        0.50
       1977 |         29        0.29        0.79
       1978 |         14        0.14        0.93
       1979 |         39        0.39        1.32
       1980 |         45        0.45        1.77
       1981 |         64        0.64        2.41
       1982 |         99        0.99        3.40
       1983 |        101        1.01        4.41
       1984 |        154        1.54        5.95
       1985 |        193        1.93        7.88
       1986 |        248        2.48       10.36
       1987 |        355        3.55       13.91
       1988 |        483        4.83       18.74
       1989 |        776        7.76       26.50
       1990 |      1,127       11.27       37.77
       1991 |      1,460       14.60       52.37
       1992 |        215        2.15       54.52
       1993 |        116        1.16       55.68
       7777 |      4,425       44.25       99.93
       9999 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015