54 visiting now: 36 USA 
12 Singapore 
7 Canada 
4 Russia 
3 Australia 
1 Finland 
1 Germany 
1 Bangladesh 
1 Brazil 
12 Singapore 7 Canada 4 Russia 3 Australia 1 Finland 1 Germany 1 Bangladesh 1 Brazil 12 Singapore 7 Canada 4 Russia 3 Australia 1 Finland 1 Germany 1 Bangladesh 1 Brazil