Frequencies for first 10,000 rows of llbmon variable in natl1992 dataset :

   Month of |
  Last Live |
      Birth |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        536        5.36        5.36
          2 |        486        4.86       10.22
          3 |        478        4.78       15.00
          4 |        436        4.36       19.36
          5 |        400        4.00       23.36
          6 |        427        4.27       27.63
          7 |        452        4.52       32.15
          8 |        507        5.07       37.22
          9 |        520        5.20       42.42
         10 |        489        4.89       47.31
         11 |        463        4.63       51.94
         12 |        520        5.20       57.14
         77 |      4,268       42.68       99.82
         99 |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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