60 visiting now: 34 USA 
8 Singapore 
7 Canada 
3 Brazil 
2 UK 
2 Bangladesh 
2 Czech Republic 
1 Australia 
1 Germany 
1 Indonesia 
1 Venezuela 
1 Japan 
1 Russia 
1 China 
8 Singapore 7 Canada 3 Brazil 2 UK 2 Bangladesh 2 Czech Republic 1 Australia 1 Germany 1 Indonesia 1 Venezuela 1 Japan 1 Russia 1 China