Frequencies for first 10,000 rows of dlmp_dd variable in natl2004 dataset :

Last Normal |
   Menses - |
    Day U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        537        5.37        5.37
          2 |        264        2.64        8.01
          3 |        323        3.23       11.24
          4 |        279        2.79       14.03
          5 |        420        4.20       18.23
          6 |        289        2.89       21.12
          7 |        282        2.82       23.94
          8 |        281        2.81       26.75
          9 |        227        2.27       29.02
         10 |        396        3.96       32.98
         11 |        257        2.57       35.55
         12 |        291        2.91       38.46
         13 |        227        2.27       40.73
         14 |        287        2.87       43.60
         15 |        621        6.21       49.81
         16 |        256        2.56       52.37
         17 |        279        2.79       55.16
         18 |        268        2.68       57.84
         19 |        242        2.42       60.26
         20 |        425        4.25       64.51
         21 |        240        2.40       66.91
         22 |        248        2.48       69.39
         23 |        266        2.66       72.05
         24 |        307        3.07       75.12
         25 |        415        4.15       79.27
         26 |        298        2.98       82.25
         27 |        265        2.65       84.90
         28 |        327        3.27       88.17
         29 |        192        1.92       90.09
         30 |        231        2.31       92.40
         31 |        110        1.10       93.50
         99 |        650        6.50      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 21 Jan 2016