54 visiting now: 32 USA 
9 Singapore 
8 Canada 
2 Czech Republic 
2 Brazil 
1 China 
1 UK 
1 Argentina 
1 France 
1 Belgium 
1 Venezuela 
1 Germany 
1 Iraq 
9 Singapore 8 Canada 2 Czech Republic 2 Brazil 1 China 1 UK 1 Argentina 1 France 1 Belgium 1 Venezuela 1 Germany 1 Iraq