56 visiting now: 42 USA 
10 Canada 
6 Singapore 
4 Russia 
1 UK 
1 China 
1 Finland 
1 Germany 
10 Canada 6 Singapore 4 Russia 1 UK 1 China 1 Finland 1 Germany 10 Canada 6 Singapore 4 Russia 1 UK 1 China 1 Finland 1 Germany