50 visiting now: 32 USA 
7 Singapore 
4 China 
4 France 
1 Germany 
1 New Zealand 
1 Canada 
1 UK 
1 Finland 
7 Singapore 4 China 4 France 1 Germany 1 New Zealand 1 Canada 1 UK 1 Finland 7 Singapore 4 China 4 France 1 Germany 1 New Zealand 1 Canada 1 UK 1 Finland