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

   Month of |
  Last Live |
      Birth |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        561        5.61        5.61
          2 |        480        4.80       10.41
          3 |        407        4.07       14.48
          4 |        420        4.20       18.68
          5 |        407        4.07       22.75
          6 |        442        4.42       27.17
          7 |        501        5.01       32.18
          8 |        478        4.78       36.96
          9 |        470        4.70       41.66
         10 |        484        4.84       46.50
         11 |        435        4.35       50.85
         12 |        475        4.75       55.60
         77 |      4,425       44.25       99.85
         99 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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