51 visiting now: 26 USA 
10 China 
8 Singapore 
3 UK 
2 Canada 
2 France 
1 Germany 
1 New Zealand 
1 Finland 
10 China 8 Singapore 3 UK 2 Canada 2 France 1 Germany 1 New Zealand 1 Finland 10 China 8 Singapore 3 UK 2 Canada 2 France 1 Germany 1 New Zealand 1 Finland