Frequencies for first 10,000 rows of tothrdivr variable in nhamcsed2011 dataset :

    Total number of hours your |
hospital's ED was on ambulance |
             diversion in 2010 |      Freq.     Percent        Cum.
-------------------------------+-----------------------------------
                         Blank |        106        1.06        1.06
                Not applicable |      5,446       54.46       55.52
       1-99 hours on diversion |      1,763       17.63       73.15
    100-499 hours on diversion |        623        6.23       79.38
500 or more hours on diversion |        253        2.53       81.91
  Diversion data not available |      1,809       18.09      100.00
-------------------------------+-----------------------------------
                         Total |     10,000      100.00

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