Frequencies for first 10,000 rows of hlisted variable in nhamcsed2013 dataset :

        Do the |
  hospitalists |
   on staff at |
 your hospital |
admit patients |
 from your ED? |      Freq.     Percent        Cum.
---------------+-----------------------------------
         Blank |        770        7.70        7.70
       Unknown |        268        2.68       10.38
           Yes |      8,603       86.03       96.41
            No |        359        3.59      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016