39 visiting now: 30 USA 
8 Russia 
3 Ukraine 
2 Canada 
2 UK 
1 Singapore 
1 China 
1 Finland 
1 Germany 
1 Nigeria 
8 Russia 3 Ukraine 2 Canada 2 UK 1 Singapore 1 China 1 Finland 1 Germany 1 Nigeria 8 Russia 3 Ukraine 2 Canada 2 UK 1 Singapore 1 China 1 Finland 1 Germany 1 Nigeria