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

       does |
  physician |
see pats in |
     office |
evenings/we |
    ekends? |      Freq.     Percent        Cum.
------------+-----------------------------------
        yes |      4,260       42.60       42.60
         no |      5,740       57.40      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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