Frequencies for first 10,000 rows of dob_wk variable in natl2008 dataset :

Weekday U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        683        6.83        6.83
          2 |      1,658       16.58       23.41
          3 |      1,743       17.43       40.84
          4 |      1,765       17.65       58.49
          5 |      1,770       17.70       76.19
          6 |      1,564       15.64       91.83
          7 |        817        8.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 May 2016