39 visiting now: 29 USA 
5 Singapore 
2 UK 
1 Germany 
1 Hong Kong 
1 India 
1 Russia 
1 Australia 
5 Singapore 2 UK 1 Germany 1 Hong Kong 1 India 1 Russia 1 Australia 5 Singapore 2 UK 1 Germany 1 Hong Kong 1 India 1 Russia 1 Australia