Frequencies for first 10,000 rows of expspace variable in nhamcsed2011 dataset :

   Do you have |
      plans to |
   expand your |
     your ED's |
physical space |
    within the |
   next two ye |      Freq.     Percent        Cum.
---------------+-----------------------------------
       Unknown |      1,215       12.15       12.15
           Yes |      3,104       31.04       43.19
            No |      5,681       56.81      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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