Frequencies for first 10,000 rows of dob_wk variable in natl2003 dataset :

Weekday U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,084       10.84       10.84
          2 |      1,507       15.07       25.91
          3 |      1,559       15.59       41.50
          4 |      1,588       15.88       57.38
          5 |      1,508       15.08       72.46
          6 |      1,563       15.63       88.09
          7 |      1,191       11.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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