71 visiting now: 29 USA 
9 Singapore 
8 Belgium 
5 Brazil 
5 Canada 
4 Hong Kong 
4 France 
2 UK 
1 Germany 
1 Iran 
1 Pakistan 
1 China 
1 Poland 
9 Singapore 8 Belgium 5 Brazil 5 Canada 4 Hong Kong 4 France 2 UK 1 Germany 1 Iran 1 Pakistan 1 China 1 Poland