58 visiting now: 33 USA 
10 Singapore 
6 Brazil 
3 Belgium 
3 UK 
2 Vietnam 
2 France 
1 India 
1 Iraq 
1 Canada 
1 China 
10 Singapore 6 Brazil 3 Belgium 3 UK 2 Vietnam 2 France 1 India 1 Iraq 1 Canada 1 China