Frequencies for first 10,000 rows of daydth variable in mort1975 dataset :

     daydth |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        336        3.36        3.36
          2 |        354        3.54        6.90
          3 |        333        3.33       10.23
          4 |        349        3.49       13.72
          5 |        331        3.31       17.03
          6 |        349        3.49       20.52
          7 |        354        3.54       24.06
          8 |        330        3.30       27.36
          9 |        286        2.86       30.22
         10 |        310        3.10       33.32
         11 |        338        3.38       36.70
         12 |        304        3.04       39.74
         13 |        335        3.35       43.09
         14 |        315        3.15       46.24
         15 |        335        3.35       49.59
         16 |        328        3.28       52.87
         17 |        328        3.28       56.15
         18 |        322        3.22       59.37
         19 |        316        3.16       62.53
         20 |        340        3.40       65.93
         21 |        309        3.09       69.02
         22 |        337        3.37       72.39
         23 |        365        3.65       76.04
         24 |        332        3.32       79.36
         25 |        322        3.22       82.58
         26 |        302        3.02       85.60
         27 |        350        3.50       89.10
         28 |        330        3.30       92.40
         29 |        275        2.75       95.15
         30 |        302        3.02       98.17
         31 |        182        1.82       99.99
         99 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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