64 visiting now: 38 USA 
14 Belgium 
4 China 
3 Canada 
2 Brazil 
1 Hong Kong 
1 Portugal 
1 Singapore 
1 UK 
14 Belgium 4 China 3 Canada 2 Brazil 1 Hong Kong 1 Portugal 1 Singapore 1 UK 14 Belgium 4 China 3 Canada 2 Brazil 1 Hong Kong 1 Portugal 1 Singapore 1 UK