Frequencies for first 10,000 rows of owns variable in namcs2005 dataset :

              who owns this practice? |      Freq.     Percent        Cum.
--------------------------------------+-----------------------------------
         Physician or physician group |      8,196       81.96       81.96
Health Maintenance Organization (HMO) |        298        2.98       84.94
       Medical/academic health center |        298        2.98       87.92
                       Other hospital |        401        4.01       91.93
        Other health care corporation |        535        5.35       97.28
                                Other |        272        2.72      100.00
--------------------------------------+-----------------------------------
                                Total |     10,000      100.00

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