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					Originally Posted by  dino7c
					 
				 
				chicago would have been last a few years ago, its more the list of who has a good team lately 
			
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Looks like it based on the last 5 years.  It's an average calculation based on their methodology, and given it's a 5 year look, it only takes into account "recent" history.  Would be really cool to see it over extended periods of time too, 10 year, 15 year, 20 year intervals.