31 visiting now: 21 USA 
3 UK 
3 France 
2 Germany 
2 Australia 
1 Singapore 
1 Canada 
1 Hong Kong 
1 Russia 
3 UK 3 France 2 Germany 2 Australia 1 Singapore 1 Canada 1 Hong Kong 1 Russia 3 UK 3 France 2 Germany 2 Australia 1 Singapore 1 Canada 1 Hong Kong 1 Russia