65 visiting now: 40 USA 
8 Singapore 
5 Canada 
3 Germany 
3 Czech Republic 
2 Hong Kong 
1 Lithuania 
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1 Australia 
8 Singapore 5 Canada 3 Germany 3 Czech Republic 2 Hong Kong 1 Lithuania 1 Belgium 1 Romania 1 Brazil 1 Russia 1 India 1 Japan 1 China 1 UK 1 Latvia 1 Australia