66 visiting now: 24 USA 
9 Belgium 
7 France 
7 UK 
6 Singapore 
4 Brazil 
4 China 
1 South Africa 
1 Germany 
1 Australia 
1 Japan 
1 Mexico 
1 Saudi Arabia 
9 Belgium 7 France 7 UK 6 Singapore 4 Brazil 4 China 1 South Africa 1 Germany 1 Australia 1 Japan 1 Mexico 1 Saudi Arabia