43 visiting now: 20 USA 
6 Singapore 
5 Canada 
4 UK 
2 China 
1 Iraq 
1 Argentina 
1 Netherlands 
1 Belgium 
1 Nicaragua 
1 Poland 
1 Finland 
6 Singapore 5 Canada 4 UK 2 China 1 Iraq 1 Argentina 1 Netherlands 1 Belgium 1 Nicaragua 1 Poland 1 Finland