Frequencies for first 10,000 rows of share variable in namcs2002 dataset :

   Do other |
 physicians |
 share care |
        for |
   problem? |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |        328        3.28        3.28
        Yes |      2,669       26.69       29.97
         No |      6,100       61.00       90.97
    Unknown |        903        9.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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