Frequencies for first 10,000 rows of lfdmon variable in natl1985 dataset :

    Date of |
 Last Fetal |
    Death - |
      Month |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        117        1.17        1.17
          2 |        143        1.43        2.60
          3 |        116        1.16        3.76
          4 |         84        0.84        4.60
          5 |         75        0.75        5.35
          6 |         93        0.93        6.28
          7 |         65        0.65        6.93
          8 |         69        0.69        7.62
          9 |         97        0.97        8.59
         10 |         93        0.93        9.52
         11 |         81        0.81       10.33
         12 |         97        0.97       11.30
         77 |      8,231       82.31       93.61
         99 |        639        6.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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