66 visiting now: 48 USA 
3 Singapore 
3 Ireland 
2 Sweden 
2 Australia 
2 Belgium 
2 Brazil 
1 Finland 
1 France 
1 UK 
1 Germany 
1 Netherlands 
1 China 
3 Singapore 3 Ireland 2 Sweden 2 Australia 2 Belgium 2 Brazil 1 Finland 1 France 1 UK 1 Germany 1 Netherlands 1 China