56 visiting now: 27 USA 
8 Singapore 
7 Canada 
5 UK 
5 France 
3 China 
3 Hong Kong 
2 Iran 
1 Germany 
1 Australia 
8 Singapore 7 Canada 5 UK 5 France 3 China 3 Hong Kong 2 Iran 1 Germany 1 Australia 8 Singapore 7 Canada 5 UK 5 France 3 China 3 Hong Kong 2 Iran 1 Germany 1 Australia