27 visiting now: 17 USA 
5 Singapore 
1 Poland 
1 Bolivia 
1 UK 
1 Cambodia 
1 Canada 
1 Iraq 
5 Singapore 1 Poland 1 Bolivia 1 UK 1 Cambodia 1 Canada 1 Iraq 5 Singapore 1 Poland 1 Bolivia 1 UK 1 Cambodia 1 Canada 1 Iraq