50 visiting now: 30 USA 
11 Singapore 
5 Brazil 
3 France 
2 Belgium 
2 UK 
1 Hong Kong 
1 Bangladesh 
1 China 
1 Vietnam 
1 Argentina 
11 Singapore 5 Brazil 3 France 2 Belgium 2 UK 1 Hong Kong 1 Bangladesh 1 China 1 Vietnam 1 Argentina