96 visiting now: 39 Belgium 
28 China 
18 USA 
6 India 
2 Singapore 
1 Iran 
1 Germany 
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28 China 18 USA 6 India 2 Singapore 1 Iran 1 Germany 1 Hong Kong 28 China 18 USA 6 India 2 Singapore 1 Iran 1 Germany 1 Hong Kong