Frequencies for first 10,000 rows of vdayr variable in namcs2007 dataset :

day of week |
   of visit |      Freq.     Percent        Cum.
------------+-----------------------------------
     sunday |         43        0.43        0.43
     monday |      2,151       21.51       21.94
    tuesday |      2,132       21.32       43.26
  wednesday |      1,931       19.31       62.57
   thursday |      1,951       19.51       82.08
     friday |      1,579       15.79       97.87
   saturday |        213        2.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016