56 visiting now: 25 USA 
9 China 
9 Singapore 
3 India 
3 Canada 
3 UK 
2 Germany 
1 Ukraine 
1 Finland 
1 Australia 
9 China 9 Singapore 3 India 3 Canada 3 UK 2 Germany 1 Ukraine 1 Finland 1 Australia 9 China 9 Singapore 3 India 3 Canada 3 UK 2 Germany 1 Ukraine 1 Finland 1 Australia