Frequencies for first 10,000 rows of vdayr variable in namcs2010 dataset :

day of week |
   of visit |      Freq.     Percent        Cum.
------------+-----------------------------------
     sunday |         29        0.29        0.29
     monday |      2,159       21.59       21.88
    tuesday |      2,117       21.17       43.05
  wednesday |      1,922       19.22       62.27
   thursday |      1,927       19.27       81.54
     friday |      1,659       16.59       98.13
   saturday |        187        1.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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