44 visiting now: 31 USA 
5 Singapore 
4 Belgium 
2 Russia 
2 UK 
1 Canada 
1 Germany 
1 Latvia 
1 Mexico 
1 Poland 
1 Brazil 
5 Singapore 4 Belgium 2 Russia 2 UK 1 Canada 1 Germany 1 Latvia 1 Mexico 1 Poland 1 Brazil