Frequencies for first 10,000 rows of dlmp_dd variable in natl2003 dataset :

Last Normal |
   Menses - |
    Day U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        522        5.22        5.22
          2 |        251        2.51        7.73
          3 |        261        2.61       10.34
          4 |        294        2.94       13.28
          5 |        389        3.89       17.17
          6 |        274        2.74       19.91
          7 |        296        2.96       22.87
          8 |        250        2.50       25.37
          9 |        264        2.64       28.01
         10 |        388        3.88       31.89
         11 |        224        2.24       34.13
         12 |        271        2.71       36.84
         13 |        197        1.97       38.81
         14 |        288        2.88       41.69
         15 |        690        6.90       48.59
         16 |        243        2.43       51.02
         17 |        279        2.79       53.81
         18 |        313        3.13       56.94
         19 |        224        2.24       59.18
         20 |        453        4.53       63.71
         21 |        260        2.60       66.31
         22 |        245        2.45       68.76
         23 |        237        2.37       71.13
         24 |        275        2.75       73.88
         25 |        445        4.45       78.33
         26 |        269        2.69       81.02
         27 |        293        2.93       83.95
         28 |        323        3.23       87.18
         29 |        188        1.88       89.06
         30 |        296        2.96       92.02
         31 |        117        1.17       93.19
         99 |        681        6.81      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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