42 visiting now: 24 USA 
8 Singapore 
3 Brazil 
2 UK 
2 Belgium 
1 Canada 
1 China 
1 Germany 
1 Australia 
1 Iran 
8 Singapore 3 Brazil 2 UK 2 Belgium 1 Canada 1 China 1 Germany 1 Australia 1 Iran 8 Singapore 3 Brazil 2 UK 2 Belgium 1 Canada 1 China 1 Germany 1 Australia 1 Iran