Frequencies for first 10,000 rows of dob_wk variable in natl2010 dataset :

Weekday U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,121       11.21       11.21
          2 |      1,371       13.71       24.92
          3 |      1,611       16.11       41.03
          4 |      1,520       15.20       56.23
          5 |      1,583       15.83       72.06
          6 |      1,579       15.79       87.85
          7 |      1,215       12.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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