48 visiting now: 28 USA 
8 Singapore 
4 UK 
4 China 
1 Australia 
1 Canada 
1 Finland 
1 Germany 
1 Argentina 
8 Singapore 4 UK 4 China 1 Australia 1 Canada 1 Finland 1 Germany 1 Argentina 8 Singapore 4 UK 4 China 1 Australia 1 Canada 1 Finland 1 Germany 1 Argentina