46 visiting now: 28 USA 
8 Singapore 
6 UK 
3 Belgium 
3 Brazil 
3 France 
1 Russia 
1 Canada 
1 China 
8 Singapore 6 UK 3 Belgium 3 Brazil 3 France 1 Russia 1 Canada 1 China 8 Singapore 6 UK 3 Belgium 3 Brazil 3 France 1 Russia 1 Canada 1 China