Frequencies for first 10,000 rows of vdayr variable in namcs2006 dataset :

day of week |
   of visit |      Freq.     Percent        Cum.
------------+-----------------------------------
     sunday |         25        0.25        0.25
     monday |      2,240       22.40       22.65
    tuesday |      2,163       21.63       44.28
  wednesday |      1,815       18.15       62.43
   thursday |      1,929       19.29       81.72
     friday |      1,620       16.20       97.92
   saturday |        208        2.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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