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

   Refer to |
      other |
  physician |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,382       93.82       93.82
          1 |        618        6.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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