Frequencies for first 10,000 rows of dlmp_dd variable in natl2005 dataset :

Last Normal |
   Menses - |
    Day U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        557        5.57        5.57
          2 |        291        2.91        8.48
          3 |        286        2.86       11.34
          4 |        275        2.75       14.09
          5 |        379        3.79       17.88
          6 |        257        2.57       20.45
          7 |        287        2.87       23.32
          8 |        260        2.60       25.92
          9 |        241        2.41       28.33
         10 |        430        4.30       32.63
         11 |        257        2.57       35.20
         12 |        308        3.08       38.28
         13 |        261        2.61       40.89
         14 |        329        3.29       44.18
         15 |        784        7.84       52.02
         16 |        294        2.94       54.96
         17 |        302        3.02       57.98
         18 |        290        2.90       60.88
         19 |        213        2.13       63.01
         20 |        411        4.11       67.12
         21 |        255        2.55       69.67
         22 |        276        2.76       72.43
         23 |        238        2.38       74.81
         24 |        302        3.02       77.83
         25 |        408        4.08       81.91
         26 |        263        2.63       84.54
         27 |        262        2.62       87.16
         28 |        370        3.70       90.86
         29 |        180        1.80       92.66
         30 |        243        2.43       95.09
         31 |        122        1.22       96.31
         99 |        369        3.69      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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