52 visiting now: 31 USA 
9 Singapore 
4 France 
2 UK 
2 Ukraine 
1 Russia 
1 China 
1 Finland 
1 Germany 
1 Australia 
1 Netherlands 
1 Canada 
9 Singapore 4 France 2 UK 2 Ukraine 1 Russia 1 China 1 Finland 1 Germany 1 Australia 1 Netherlands 1 Canada