Frequencies for first 10,000 rows of lfdmon variable in natl1986 dataset :

    Date of |
 Last Fetal |
    Death - |
      Month |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        125        1.25        1.25
          2 |        112        1.12        2.37
          3 |        109        1.09        3.46
          4 |         84        0.84        4.30
          5 |         65        0.65        4.95
          6 |         61        0.61        5.56
          7 |         83        0.83        6.39
          8 |         78        0.78        7.17
          9 |         74        0.74        7.91
         10 |         90        0.90        8.81
         11 |         80        0.80        9.61
         12 |         87        0.87       10.48
         77 |      8,172       81.72       92.20
         99 |        780        7.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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