68 visiting now: 30 Belgium 
22 USA 
8 Singapore 
3 Canada 
2 China 
2 Germany 
1 Hong Kong 
1 Australia 
1 UK 
22 USA 8 Singapore 3 Canada 2 China 2 Germany 1 Hong Kong 1 Australia 1 UK 22 USA 8 Singapore 3 Canada 2 China 2 Germany 1 Hong Kong 1 Australia 1 UK