Frequencies for first 10,000 rows of securchcke variable in nhamcsed2014 dataset :

   Has your |
   hospital |
    made an |
 assessment |
     of the |
  potential |
  risks and |
vulnerabili |
      ties  |      Freq.     Percent        Cum.
------------+-----------------------------------
    Unknown |      1,372       13.72       13.72
         -7 |        406        4.06       17.78
        Yes |      7,916       79.16       96.94
         No |        306        3.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017