60 visiting now: 47 USA 
5 Singapore 
4 Hong Kong 
4 UK 
1 Finland 
1 Germany 
1 Korea 
1 China 
5 Singapore 4 Hong Kong 4 UK 1 Finland 1 Germany 1 Korea 1 China 5 Singapore 4 Hong Kong 4 UK 1 Finland 1 Germany 1 Korea 1 China