Frequencies for first 10,000 rows of vdayr variable in namcs2005 dataset :

day of week |
   of visit |      Freq.     Percent        Cum.
------------+-----------------------------------
     Sunday |         20        0.20        0.20
     Monday |      2,182       21.82       22.02
    Tuesday |      2,398       23.98       46.00
  Wednesday |      1,859       18.59       64.59
   Thursday |      1,886       18.86       83.45
     Friday |      1,496       14.96       98.41
   Saturday |        159        1.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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