Aggregation analysis of exhibitions held in Beijing,Shanghai and Guangzhou
Based on the statistics of exhibitions held in the major ven-ues of the three cities, a total of 837 exhibitions were staged in2009 in Beijing, Shanghai and Guangzhou, with a decrease of29 compared to that in 2008. As shown in the Figure, the mostexhibitions have been organized in Shanghai, with a total of369, accounting for 44% of all exhibitions; followed by Beijing,