Frequencies for first 10,000 rows of llbyr variable in natl1991 dataset :

    Year of |
  Last Live |
      Birth |      Freq.     Percent        Cum.
------------+-----------------------------------
       1966 |          1        0.01        0.01
       1967 |          1        0.01        0.02
       1968 |          1        0.01        0.03
       1970 |          5        0.05        0.08
       1971 |          8        0.08        0.16
       1972 |          8        0.08        0.24
       1973 |         11        0.11        0.35
       1974 |         17        0.17        0.52
       1975 |         19        0.19        0.71
       1976 |         20        0.20        0.91
       1977 |         39        0.39        1.30
       1978 |         38        0.38        1.68
       1979 |         63        0.63        2.31
       1980 |         87        0.87        3.18
       1981 |        110        1.10        4.28
       1982 |        134        1.34        5.62
       1983 |        182        1.82        7.44
       1984 |        272        2.72       10.16
       1985 |        409        4.09       14.25
       1986 |        554        5.54       19.79
       1987 |        784        7.84       27.63
       1988 |      1,105       11.05       38.68
       1989 |      1,436       14.36       53.04
       1990 |        262        2.62       55.66
       1991 |        118        1.18       56.84
       7777 |      4,306       43.06       99.90
       9999 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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