50 visiting now: 27 USA 
9 Canada 
5 Singapore 
4 UK 
3 Hong Kong 
1 Finland 
1 Nigeria 
1 China 
9 Canada 5 Singapore 4 UK 3 Hong Kong 1 Finland 1 Nigeria 1 China 9 Canada 5 Singapore 4 UK 3 Hong Kong 1 Finland 1 Nigeria 1 China