43 visiting now: 24 USA 
7 Canada 
3 Hong Kong 
3 Singapore 
3 UK 
2 China 
1 Finland 
1 Nigeria 
7 Canada 3 Hong Kong 3 Singapore 3 UK 2 China 1 Finland 1 Nigeria 7 Canada 3 Hong Kong 3 Singapore 3 UK 2 China 1 Finland 1 Nigeria