42 visiting now: 32 USA 
5 Russia 
3 India 
2 Brazil 
2 Singapore 
2 Australia 
1 Canada 
1 UK 
1 China 
1 Albania 
1 Ukraine 
1 Finland 
1 Azerbaijan 
5 Russia 3 India 2 Brazil 2 Singapore 2 Australia 1 Canada 1 UK 1 China 1 Albania 1 Ukraine 1 Finland 1 Azerbaijan