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

   Do you have |
      plans to |
   expand your |
     your ED's |
physical space |
    within the |
   next two ye |      Freq.     Percent        Cum.
---------------+-----------------------------------
         Blank |         98        0.98        0.98
       Unknown |      1,123       11.23       12.21
           Yes |      2,790       27.90       40.11
            No |      5,989       59.89      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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