47 visiting now: 25 USA 
8 Singapore 
4 Canada 
4 UK 
3 China 
3 Germany 
2 Hong Kong 
1 France 
1 Belgium 
8 Singapore 4 Canada 4 UK 3 China 3 Germany 2 Hong Kong 1 France 1 Belgium 8 Singapore 4 Canada 4 UK 3 China 3 Germany 2 Hong Kong 1 France 1 Belgium