Frequencies for first 10,000 rows of share variable in namcs2004 dataset :

   do other |
 physicians |
 share care |
        for |
   problem? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        198        1.98        1.98
          1 |      2,976       29.76       31.74
          2 |      5,781       57.81       89.55
          3 |      1,045       10.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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