60 visiting now: 25 USA 
8 Singapore 
6 Canada 
4 Belgium 
4 Hong Kong 
4 Brazil 
3 France 
2 China 
1 Pakistan 
1 Poland 
1 Germany 
1 Iran 
8 Singapore 6 Canada 4 Belgium 4 Hong Kong 4 Brazil 3 France 2 China 1 Pakistan 1 Poland 1 Germany 1 Iran