Frequencies for first 10,000 rows of tothrdivr variable in nhamcsed2009 dataset :

 aggregated |
  number of |
 hours that |
 hospital's |
  ed was on |
  ambulance |
  diversion |
    in 2008 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,968       39.68       39.68
          2 |      1,641       16.41       56.09
          3 |        902        9.02       65.11
          4 |      1,198       11.98       77.09
          5 |      2,291       22.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016