32 visiting now: 14 Singapore 
10 USA 
5 Canada 
3 UK 
1 Iran 
1 Belgium 
1 Brazil 
1 China 
10 USA 5 Canada 3 UK 1 Iran 1 Belgium 1 Brazil 1 China 10 USA 5 Canada 3 UK 1 Iran 1 Belgium 1 Brazil 1 China