46 visiting now: 24 USA 
8 Singapore 
5 China 
4 France 
2 UK 
1 Finland 
1 Germany 
1 Australia 
1 Russia 
1 Canada 
8 Singapore 5 China 4 France 2 UK 1 Finland 1 Germany 1 Australia 1 Russia 1 Canada 8 Singapore 5 China 4 France 2 UK 1 Finland 1 Germany 1 Australia 1 Russia 1 Canada