42 visiting now: 17 USA 
8 Singapore 
5 UK 
3 Germany 
2 Canada 
2 Japan 
2 Belgium 
1 Russia 
1 China 
1 Vietnam 
1 Poland 
8 Singapore 5 UK 3 Germany 2 Canada 2 Japan 2 Belgium 1 Russia 1 China 1 Vietnam 1 Poland