Hawks' fan interest soars

No U.S. sports franchise has experienced a faster rate of growth in last five years

For years, the joke went, there was an easy way to calculate the total number of Blackhawks fans in the Chicago area.

Source: http://ChicagoTribune.feedsportal.com/c/34253/f/622872/s/1e72c3e2/l/0L0Schicagotribune0N0Csports0Cbreaking0Cct0Espt0E0A4170Eblackhawks0Efans0E0E20A120A4170H0A0H29387260Bcolumn0Dtrack0Frss/story01.htm

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