Frequencies for first 10,000 rows of weekday variable in natlterr1997 dataset :

Day of Week |
 Child Born |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        989        9.89        9.89
          2 |      1,341       13.41       23.30
          3 |      1,499       14.99       38.29
          4 |      1,716       17.16       55.45
          5 |      1,689       16.89       72.34
          6 |      1,605       16.05       88.39
          7 |      1,161       11.61      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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