56 visiting now: 27 USA 
13 China 
8 Singapore 
2 India 
2 Canada 
1 Finland 
1 Germany 
1 Australia 
1 UK 
1 Ukraine 
13 China 8 Singapore 2 India 2 Canada 1 Finland 1 Germany 1 Australia 1 UK 1 Ukraine 13 China 8 Singapore 2 India 2 Canada 1 Finland 1 Germany 1 Australia 1 UK 1 Ukraine