60 visiting now: 29 USA 
10 China 
9 Singapore 
4 Canada 
3 Australia 
2 Ukraine 
2 India 
1 UK 
1 Finland 
1 Germany 
10 China 9 Singapore 4 Canada 3 Australia 2 Ukraine 2 India 1 UK 1 Finland 1 Germany 10 China 9 Singapore 4 Canada 3 Australia 2 Ukraine 2 India 1 UK 1 Finland 1 Germany