Frequencies for first 10,000 rows of weekday variable in natlterr1998 dataset :

Day of Week |
 Child Born |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        933        9.33        9.33
          2 |      1,407       14.07       23.40
          3 |      1,543       15.43       38.83
          4 |      1,686       16.86       55.69
          5 |      1,707       17.07       72.76
          6 |      1,585       15.85       88.61
          7 |      1,139       11.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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