Frequencies for first 10,000 rows of refoutse variable in namcs2015 dataset :

   When you |
 refer your |
 patient to |
 a provider |
 outside of |
your office |
  or group: |
      do yo |      Freq.     Percent        Cum.
------------+-----------------------------------
         -7 |        573        5.73        5.73
          1 |      2,714       27.14       32.87
          2 |      1,692       16.92       49.79
          3 |      5,021       50.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017