58 visiting now: 37 USA 
9 Canada 
5 Poland 
2 Germany 
2 Singapore 
2 China 
1 UK 
1 Finland 
1 Australia 
1 Taiwan 
9 Canada 5 Poland 2 Germany 2 Singapore 2 China 1 UK 1 Finland 1 Australia 1 Taiwan 9 Canada 5 Poland 2 Germany 2 Singapore 2 China 1 UK 1 Finland 1 Australia 1 Taiwan