158 visiting now: 142 USA 
4 Singapore 
4 Sweden 
2 Belgium 
2 UK 
1 Germany 
1 Brazil 
1 Canada 
1 Finland 
4 Singapore 4 Sweden 2 Belgium 2 UK 1 Germany 1 Brazil 1 Canada 1 Finland 4 Singapore 4 Sweden 2 Belgium 2 UK 1 Germany 1 Brazil 1 Canada 1 Finland