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

  Is ambulance |
     diversion |
      actively |
  managed on a |
regional level |
   versus each |
      hospital |      Freq.     Percent        Cum.
---------------+-----------------------------------
       Unknown |        360        3.60        3.60
Not applicable |      5,821       58.21       61.81
           Yes |      3,137       31.37       93.18
            No |        682        6.82      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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