77 visiting now: 36 USA 
12 Singapore 
9 India 
6 Australia 
4 Canada 
3 UK 
3 China 
2 Ukraine 
2 Finland 
1 Germany 
1 Argentina 
1 Hong Kong 
1 New Zealand 
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12 Singapore 9 India 6 Australia 4 Canada 3 UK 3 China 2 Ukraine 2 Finland 1 Germany 1 Argentina 1 Hong Kong 1 New Zealand 1 Poland