39 visiting now: 25 USA 
7 Canada 
3 UK 
2 Russia 
2 Singapore 
1 China 
1 Germany 
1 Hong Kong 
1 Australia 
7 Canada 3 UK 2 Russia 2 Singapore 1 China 1 Germany 1 Hong Kong 1 Australia 7 Canada 3 UK 2 Russia 2 Singapore 1 China 1 Germany 1 Hong Kong 1 Australia