42 visiting now: 30 USA 
6 Singapore 
2 Belgium 
2 Canada 
1 Germany 
1 Australia 
1 India 
1 UK 
1 China 
1 Finland 
6 Singapore 2 Belgium 2 Canada 1 Germany 1 Australia 1 India 1 UK 1 China 1 Finland 6 Singapore 2 Belgium 2 Canada 1 Germany 1 Australia 1 India 1 UK 1 China 1 Finland