50 visiting now: 35 USA 
6 China 
3 Canada 
2 India 
2 Australia 
2 Ukraine 
1 Mexico 
1 Russia 
1 UK 
1 Finland 
1 Germany 
6 China 3 Canada 2 India 2 Australia 2 Ukraine 1 Mexico 1 Russia 1 UK 1 Finland 1 Germany