Frequencies for first 10,000 rows of weekday variable in natlterr1996 dataset :

Day of Week |
 Child Born |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        964        9.64        9.64
          2 |      1,460       14.60       24.24
          3 |      1,609       16.09       40.33
          4 |      1,735       17.35       57.68
          5 |      1,678       16.78       74.46
          6 |      1,478       14.78       89.24
          7 |      1,076       10.76      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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