49 visiting now: 29 USA 
8 Singapore 
3 India 
3 Canada 
2 UK 
1 China 
1 Ukraine 
1 Finland 
1 Germany 
1 Australia 
8 Singapore 3 India 3 Canada 2 UK 1 China 1 Ukraine 1 Finland 1 Germany 1 Australia 8 Singapore 3 India 3 Canada 2 UK 1 China 1 Ukraine 1 Finland 1 Germany 1 Australia