Frequencies for first 10,000 rows of dob_wk variable in natl2011 dataset :

Weekday U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,081       10.81       10.81
          2 |      1,310       13.10       23.91
          3 |      1,674       16.74       40.65
          4 |      1,568       15.68       56.33
          5 |      1,554       15.54       71.87
          6 |      1,564       15.64       87.51
          7 |      1,249       12.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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