Frequencies for first 10,000 rows of weekday variable in natl1997 dataset :

Day of Week |
 Child Born |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        982        9.82        9.82
          2 |      1,445       14.45       24.27
          3 |      1,504       15.04       39.31
          4 |      1,681       16.81       56.12
          5 |      1,663       16.63       72.75
          6 |      1,632       16.32       89.07
          7 |      1,093       10.93      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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