50 visiting now: 37 USA 
8 Singapore 
4 UK 
4 Hong Kong 
2 Australia 
1 Russia 
1 China 
1 Germany 
8 Singapore 4 UK 4 Hong Kong 2 Australia 1 Russia 1 China 1 Germany 8 Singapore 4 UK 4 Hong Kong 2 Australia 1 Russia 1 China 1 Germany