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

   Roughly, |
       what |
 percent of |
 your daily |
 visits are |
   same-day |
appointment |
         s? |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |        178        1.78        1.78
          0 |        416        4.16        5.94
          1 |        613        6.13       12.07
          2 |        550        5.50       17.57
          3 |        152        1.52       19.09
          5 |      1,112       11.12       30.21
          6 |         36        0.36       30.57
          7 |         40        0.40       30.97
          8 |        137        1.37       32.34
         10 |      1,106       11.06       43.40
         12 |         41        0.41       43.81
         13 |         30        0.30       44.11
         15 |        740        7.40       51.51
         18 |         35        0.35       51.86
         20 |        905        9.05       60.91
         23 |         63        0.63       61.54
         25 |        653        6.53       68.07
         30 |        664        6.64       74.71
         33 |         95        0.95       75.66
         35 |        129        1.29       76.95
         40 |        231        2.31       79.26
         45 |         28        0.28       79.54
         48 |         26        0.26       79.80
         50 |        843        8.43       88.23
         60 |        171        1.71       89.94
         65 |        124        1.24       91.18
         70 |        150        1.50       92.68
         75 |        157        1.57       94.25
         80 |        139        1.39       95.64
         85 |         21        0.21       95.85
         90 |         89        0.89       96.74
         95 |         94        0.94       97.68
         99 |         50        0.50       98.18
        100 |        182        1.82      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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