44 visiting now: 30 USA 
7 Canada 
3 Singapore 
1 UK 
1 China 
1 Germany 
1 Hong Kong 
1 Korea 
7 Canada 3 Singapore 1 UK 1 China 1 Germany 1 Hong Kong 1 Korea 7 Canada 3 Singapore 1 UK 1 China 1 Germany 1 Hong Kong 1 Korea