38 visiting now: 27 USA 
7 Singapore 
3 UK 
2 Germany 
2 Russia 
1 Australia 
1 Hong Kong 
1 New Zealand 
7 Singapore 3 UK 2 Germany 2 Russia 1 Australia 1 Hong Kong 1 New Zealand 7 Singapore 3 UK 2 Germany 2 Russia 1 Australia 1 Hong Kong 1 New Zealand