Frequencies for first 10,000 rows of dob_wk variable in natl2013 dataset :

Weekday U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,114       11.14       11.14
          2 |      1,357       13.57       24.71
          3 |      1,601       16.01       40.72
          4 |      1,583       15.83       56.55
          5 |      1,521       15.21       71.76
          6 |      1,578       15.78       87.54
          7 |      1,246       12.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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