60 visiting now: 24 USA 
8 Belgium 
7 France 
6 Singapore 
5 UK 
4 Brazil 
2 China 
1 South Africa 
1 Germany 
1 Australia 
1 Japan 
1 Saudi Arabia 
8 Belgium 7 France 6 Singapore 5 UK 4 Brazil 2 China 1 South Africa 1 Germany 1 Australia 1 Japan 1 Saudi Arabia