37 visiting now: 22 USA 
8 Singapore 
4 UK 
2 France 
1 Belgium 
1 Brazil 
1 Vietnam 
1 India 
1 Norway 
8 Singapore 4 UK 2 France 1 Belgium 1 Brazil 1 Vietnam 1 India 1 Norway 8 Singapore 4 UK 2 France 1 Belgium 1 Brazil 1 Vietnam 1 India 1 Norway