58 visiting now: 41 USA 
6 Singapore 
4 Canada 
4 UK 
2 China 
1 Germany 
1 Japan 
1 Australia 
1 Bangladesh 
1 Spain 
6 Singapore 4 Canada 4 UK 2 China 1 Germany 1 Japan 1 Australia 1 Bangladesh 1 Spain 6 Singapore 4 Canada 4 UK 2 China 1 Germany 1 Japan 1 Australia 1 Bangladesh 1 Spain