60 visiting now: 32 USA 
7 Brazil 
7 Singapore 
6 Canada 
2 Ukraine 
2 Russia 
2 China 
2 Australia 
2 UK 
1 Germany 
1 Belgium 
1 Hong Kong 
1 Venezuela 
1 Saudi Arabia 
1 Czech Republic 
7 Brazil 7 Singapore 6 Canada 2 Ukraine 2 Russia 2 China 2 Australia 2 UK 1 Germany 1 Belgium 1 Hong Kong 1 Venezuela 1 Saudi Arabia 1 Czech Republic