After several tough years, trade shows bounced back in 2004 to 2000 levels, according to the Center for Exhibition Industry Research. The initial results of CEIR's 2004 Exhibition Industry Index, released in June, show that attendance, the number of exhibiting companies, revenue and net square footage all increased compared with 2003. The findings were calculated using a 2000 base of 100. Net square footage showed the most improvement last year, with an index of 109.6, up from 102.3 in 2003. Attendance indexed at 103.8, up from 97.1 in '03.
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