56 visiting now: 30 USA 
8 Singapore 
8 China 
5 UK 
2 Canada 
2 Germany 
1 Finland 
1 India 
1 Australia 
8 Singapore 8 China 5 UK 2 Canada 2 Germany 1 Finland 1 India 1 Australia 8 Singapore 8 China 5 UK 2 Canada 2 Germany 1 Finland 1 India 1 Australia