66 visiting now: 38 USA 
8 Singapore 
6 Canada 
5 UK 
4 Brazil 
3 China 
2 Bangladesh 
1 Indonesia 
1 Japan 
1 Russia 
1 Czech Republic 
1 Australia 
1 Germany 
8 Singapore 6 Canada 5 UK 4 Brazil 3 China 2 Bangladesh 1 Indonesia 1 Japan 1 Russia 1 Czech Republic 1 Australia 1 Germany