Frequencies for sasdappt variable in namcsphys2005_2010 dataset :

  does your |
   practice |
   set time |
  aside for |
   same day |
appointment |
         s? |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |         44        0.59        0.59
         -8 |         52        0.70        1.29
         -6 |      4,870       65.38       66.67
          1 |      1,505       20.20       86.87
          2 |        978       13.13      100.00
------------+-----------------------------------
      Total |      7,449      100.00

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