Frequencies for first 10,000 rows of weekday variable in natl2001 dataset :

Day of Week |
 Child Born |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        784        7.84        7.84
          2 |      1,548       15.48       23.32
          3 |      1,699       16.99       40.31
          4 |      1,756       17.56       57.87
          5 |      1,681       16.81       74.68
          6 |      1,633       16.33       91.01
          7 |        899        8.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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