Frequencies for first 10,000 rows of sasdappt variable in namcs2011 dataset :

  Does your |
   practice |
   set time |
  aside for |
   same day |
appointment |
         s? |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |         76        0.76        0.76
 Don't know |        175        1.75        2.51
        Yes |      7,762       77.62       80.13
         No |      1,987       19.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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