43 visiting now: 23 USA 
9 Singapore 
4 France 
3 China 
3 UK 
2 Canada 
1 Hong Kong 
1 Australia 
1 Belgium 
9 Singapore 4 France 3 China 3 UK 2 Canada 1 Hong Kong 1 Australia 1 Belgium 9 Singapore 4 France 3 China 3 UK 2 Canada 1 Hong Kong 1 Australia 1 Belgium