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

In the last |
 two years, |
   has your |
       ED's |
   physical |
 space been |
  expanded? |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |         98        0.98        0.98
    Unknown |        555        5.55        6.53
        Yes |      2,036       20.36       26.89
         No |      7,311       73.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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