Frequencies for first 10,000 rows of owner variable in nhamcsed2009 dataset :

   hospital |
  ownership |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,413       74.13       74.13
          2 |      1,380       13.80       87.93
          3 |      1,207       12.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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