Frequencies for first 10,000 rows of incphys variable in nhamcsed2012 dataset :

In the last |
 two years, |
   has your |
       ED's |
   physical |
 space been |
  expanded? |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |        152        1.52        1.52
    Unknown |        538        5.38        6.90
        Yes |      2,661       26.61       33.51
         No |      6,649       66.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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