For example :    
Start time        End Time       Number of times word found.
Dec  5 09:02:01   Dec  5 09:03:00         10 (first entry) 
Dec  5 09:03:01   Dec  5 09:03:00          5 (second entry)
Dec  5 09:04:01   Dec  5 09:04:00          3 (third entry)