57 visiting now: 32 USA 
9 China 
8 Singapore 
4 UK 
2 Australia 
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1 Ukraine 
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1 India 
9 China 8 Singapore 4 UK 2 Australia 1 Canada 1 Ukraine 1 Finland 1 Germany 1 India 9 China 8 Singapore 4 UK 2 Australia 1 Canada 1 Ukraine 1 Finland 1 Germany 1 India