41 visiting now: 27 USA 
8 Singapore 
3 Canada 
2 Belgium 
1 Brazil 
1 UK 
1 China 
1 Iran 
1 Kenya 
8 Singapore 3 Canada 2 Belgium 1 Brazil 1 UK 1 China 1 Iran 1 Kenya 8 Singapore 3 Canada 2 Belgium 1 Brazil 1 UK 1 China 1 Iran 1 Kenya